Abstract
This appendix reproduces material found on the TouchDevelop website at https://www.touchdevelop.com/docs/api . This appendix provides descriptions of the datatypes implemented in TouchDevelop. Appendix B covers services (also called resources).
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This appendix reproduces material found on the TouchDevelop website at https://www.touchdevelop.com/docs/api . This appendix provides descriptions of the datatypes implemented in TouchDevelop. Appendix B covers services (also called resources).
C.1 Appointment
A value of this type describes one calendar appointment.
attendees : Contact Collection | Gets the list of attendees. Each contact contains a name and email address. |
details : String | Gets the details |
end time : DateTime | Gets the end time |
is all day event : Boolean | Indicates if this is an all day event |
is invalid : Boolean | Returns true if the current instance is useless |
is private : Boolean | Indicates if this appointment is private |
location : String | Gets the location |
organizer : Contact | Gets the organizer |
post to wall | Posts the appointment to the wall |
source : String | Gets the source of this appointment (Facebook, etc…) |
start time : DateTime | Gets the location |
status : String | Gets your status (free, tentative, busy, outofoffice) |
subject : String | Gets the subject |
C.2 Appointment Collection
A value of this type represents a collection of appointments.
at(index : Number) : Appointment | Gets the appointment at index |
count : Number | Gets the number of appointments |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Posts the appointments on the wall |
C.3 Board
An instance of the Board is a 2D image containing sprites and other graphic objects displayed by a games program.
at(i : Number) : Sprite | Gets the sprite indexed by i |
clear background camera | Clears the background camera |
clear background picture | Clear the background picture |
clear events | Clear all queued events related to this board |
count : Number | Gets the sprite count |
create anchor(width : Number, height : Number) : Sprite | Create an anchor sprite |
create boundary(distance : Number) | Create walls around the board at the given distance |
create ellipse(width : Number, height : Number) : Sprite | Create a new ellipse sprite |
create obstacle(x : Number, y : Number, x segment : Number, y segment : Number, elasticity : Number) | Create a line obstacle with given start point, and given extent. Elasticity is 0 for sticky, 1 for complete bounce. |
create picture(picture : Picture) : Sprite | Create a new picture sprite. |
create rectangle(width : Number, height : Number) : Sprite | Create a new rectangle sprite |
create spring(sprite1 : Sprite, sprite2 : Sprite, stiffness : Number) | Create a spring between the two sprites |
create sprite set : Sprite Set | Create a new collection for sprites |
create text(width : Number, height : Number, fontSize : Number, text : String) : Sprite | Create a new text sprite. |
evolve | Update positions of sprites on board. |
height : Number | Gets the height in pixels |
is invalid : Boolean | Returns true if the current instance is useless |
is landscape : Boolean | Gets a value indicating if the board is designed to be viewed in landscape mode |
post to wall | Shows the board on the wall. |
set background(color : Color) | Sets the background color |
set background camera(camera : Camera) | Sets the background camera |
set background picture(picture : Picture) | Sets the background picture |
set debug mode(debug : Boolean) | In debug mode, board displays speed and other info of sprites |
set friction(friction : Number) | Sets the default friction for sprites to a fraction of speed loss between 0 and 1 |
set gravity(x : Number, y : Number) | Sets the uniform acceleration vector for objects on the board to pixels/sec2 |
touch current : Vector3 | Current touch point |
touch end : Vector3 | Last touch end point |
touch start : Vector3 | Last touch start point |
touch velocity : Vector3 | Final touch velocity after touch ended |
touched : Boolean | True if board has been touched |
update on wall | Make updates visible. |
width : Number | Gets the width in pixels |
C.4 Boolean
The datatype which has true or false as its two values.
and(right : Boolean) : Boolean | Builds conjunction |
equals(right : Boolean) : Boolean | Indicates that the two values are equal |
is invalid : Boolean | Returns true if the current instance is useless |
not : Boolean | Negates the Boolean expression |
or(right : Boolean) : Boolean | Builds disjunction |
post to wall | Displays the value on the wall |
to json : Json Object | Converts the value into a json data structure |
to number : Number | Converts true to 1 and false to 0 |
to string : String | Converts a Boolean to a string |
C.5 Camera
The front or back camera.
height : Number | Gets the height of the camera image in pixels |
is front : Boolean | Returns false if this is the primary camera, and true otherwise |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the camera video stream in full screen |
preview : Picture | Takes a low quality picture from the camera |
width : Number | Gets the width of the camera image in pixels |
C.6 Color
An argb color (alpha, red, green, blue)
A : Number | Gets the alpha value (0.0-1.0) |
B : Number | Gets the blue value (0.0-1.0) |
blend(other : Color) : Color | Composes a new color using alpha blending |
brightness : Number | Gets the brightness component of the color |
darken(delta : Number) : Color | Makes a darker color by a delta between 0 and 1 |
equals(other : Color) : Boolean | Checks if the color is equal to the other |
G : Number | Gets the green value (0.0-1.0) |
hue : Number | Gets the hue component of the color |
is invalid : Boolean | Returns true if the current instance is useless |
lighten(delta : Number) : Color | Makes a lighter color by a delta between 0 and 1 |
make transparent(alpha : Number) : Color | Creates a new color by changing the alpha channel from 0 (transparent) to 1 (opaque) |
post to wall | Prints the value to the wall |
R : Number | Gets the red value (0.0-1.0) |
saturation : Number | Gets the saturation component of the color |
C.7 Contact
An instance of this type represents a personal contact. The list of methods has been divided into three sections: get methods (which retrieve a single attribute of a contact), set methods (which set or update a single attribute), and other methods.
Get Methods of Contact Type | |
---|---|
birthday : DateTime | Gets the birth date if any. |
company : String | Gets the company name if any. |
email : Link | Gets the work or personal email if any |
first name : String | Gets the first name if any. |
home address : String | Gets the work address if any |
home phone : Link | Gets the home phone number if any |
job title : String | Gets the job title at the company if any. |
last name : String | Gets the last name if any |
middle name : String | Gets the middle name if any |
mobile phone : Link | Gets the cell phone number if any |
name : String | Gets the display name (not used when saving contact) |
nick name : String | Gets the nickname if any |
office : String | Gets the office location at the company if any |
personal email : Link | Gets the personal email if any |
phone number : Link | Gets the cell or work or home phone number if any |
picture : Picture | Gets the picture of the contact if any |
source : String | Gets the source of this contact (phone, etc…) |
suffix : String | Gets the name suffix if any |
title : String | Gets the name title if any |
web site : Link | Gets the web site if any |
work address : String | Gets the home address if any |
work email : Link | Gets the work email if any |
work phone : Link | Gets the work phone number if any |
Set Methods of Contact Type | |
---|---|
set company(value : String) | Sets the company |
set first name(value : String) | Sets the first name |
set home phone(home phone : String) | Sets the home phone |
set job title(value : String) | Sets the job title |
set last name(value : String) | Sets the last name |
set middle name(middle name : String) | Sets the middle name |
set mobile phone(value : String) | Sets the mobile phone |
set personal email(value : String) | Sets the personal email |
set source(value : String) | Sets the source |
set suffix(value : String) | Sets the suffix |
set title(value : String) | Sets the title |
set web site(value : String) | Sets the web site |
set work email(value : String) | Sets the work email |
set work phone(work phone : String) | Sets the work phone |
Other Methods of Contact Type | |
---|---|
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Posts the contact to the wall |
C.8 Contact Collection
A collection of contacts
at(index : Number) : Contact | Gets the contact at index |
count : Number | Gets the number of contacts |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Posts the contacts on the wall |
C.9 DateTime
A DateTime value is a combination of date and time. The list of methods has been separated into a table of get methods (which return a single attribute) and other methods.
Get Methods of DateTime Type | |
---|---|
date : DateTime | Gets the date |
day : Number | Gets the day of the month |
hour : Number | Gets the hour |
millisecond : Number | Gets the millisecond |
minute : Number | Gets the minute |
month : Number | Gets the month |
second : Number | Gets the second |
week day : Number | Gets the day of the week (sunday = 0, monday = 1, … saturday = 6) |
year : Number | Gets the year |
year day : Number | Gets the day of the year between 1 and 366 |
Other Methods of DateTime Type | |
---|---|
add days(days : Number) : DateTime | Returns a date that adds the specified number of days to the value of this instance |
add hours(hours : Number) : DateTime | Returns a date that adds the specified number of hours to the value of this instance |
add milliseconds(milliseconds : Number) : DateTime | Returns a date that adds the specified number of milliseconds to the value of this instance |
add minutes(minutes : Number) : DateTime | Returns a date that adds the specified number of minutes to the value of this instance |
add months(months : Number) : DateTime | Returns a date that adds the specified number of months to the value of this instance |
add seconds(seconds : Number) : DateTime | Returns a date that adds the specified number of seconds to the value of this instance |
add years(years : Number) : DateTime | Returns a date that adds the specified number of years to the value of this instance |
equals(other: DateTime): Boolean | Compares dates for equality |
greater(other: DateTime): Boolean | Compares dates for greater |
greater or equal(other : DateTime) : Boolean | Compares dates for greater or equal |
is invalid : Boolean | Returns true if the current instance is useless |
less(other : DateTime) : Boolean | Compares dates for less |
less or equals(other : DateTime) : Boolean | Compares dates for less or equal |
not equals(other : DateTime) : Boolean | Compares dates for inequality |
post to wall | Prints the date to the wall |
subtract(value: DateTime): Number | Computes difference between date-times in seconds |
to local time : DateTime | Converts to the local time |
to json : Json Object | Converts the value into a json data structure |
to local time : DateTime | Converts to the local time |
to string : String | Converts a dates to a string |
to universal time : DateTime | Converts coordinated universal time |
C.10 Form Builder
A builder to create HTML Form data.
add boolean(name : String, value : Boolean) | Adds a boolean value |
add number(name : String, value : Number) | Adds a number value |
add picture(name : String, value : Picture, picture Name : String) | Adds a picture |
add string(name : String, value : String) | Adds a string value |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Posts the form to the wall |
C.11 Json Builder
A json data structure builder.
add(value : Json Object) | Adds a value to the array |
add null | Adds a null value to the array |
is invalid : Boolean | Returns true if the current instance is useless |
set boolean(name : String, value : Boolean) | Sets the boolean value |
set field(name : String, value : Json Object) | Sets the field value |
set field null(name : String) | Sets the field value as null |
set number(name : String, value : Number) | Sets the number value |
set string(name : String, value : String) | Sets the string value |
to json : Json Object | Converts the builder into a json data structure and clears the builder |
C.12 Json Object
A JSON data structure
at(index : Number) : Json Object | Gets the i-th json value |
boolean(key : String) : Boolean | Gets a field value as a Boolean |
contains key(key: String) : Boolean | Indicates if the key exists |
count : Number | Gets the number of values |
field(key : String) : Json Object | Gets a value by name |
is invalid : Boolean | Returns true if the current instance is useless |
keys : String Collection | Gets the list of keys |
kind : String | Gets json kind (string, number, object, array, boolean) |
number(key : String) : Number | Gets a field value as a number |
post to wall | Prints the value to the wall |
string(key : String) : String | Gets a field value as a string |
time(key : String) : DateTime | Gets the field value as a time |
to boolean : Boolean | Converts to a Boolean (type must be boolean) |
to number : Number | Converts to a number (type must be number) |
to string : String | Converts to a string (type must be string) |
to time : DateTime | Converts and parses to a date time (type must be string) |
C.13 Link
A link to a video, image, email, or a phone number.
address : String | Gets the url |
is invalid : Boolean | Returns true if the current instance is useless |
kind : String | Gets the kind of asset - media, image, email, phone number, hyperlink, deep zoom link, radio |
location : Location | Gets the location if any |
name : String | Gets the name if any |
post to wall | Displays the link on the wall |
set location(location : Location) | Sets the location |
set name(name : String) | Sets the name |
share(network : String) | Shares the link (email, sms, Facebook, social or '' to pick from a list) |
C.14 Link Collection
A list of links.
add(value : Link) | Adds a link |
add many(value : Link Collection) | Adds many links at once |
at(index : Number) : Link | Gets the i-th link |
clear | Clears the collection |
count : Number | Gets the number of elements |
index of(item : Link, start : Number) : Number | Gets the index of the first occurrence of item. Returns -1 if not found or start is out of range. |
insert at(index : Number, item : Link) | Inserts a link at position index. Does nothing if index is out of range. |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the links on the wall |
random : Link | Gets a random element from the collection. Returns invalid if the collection is empty. |
remove(item : Link) : Boolean | Removes the first occurrence of the link. Returns true if removed. |
remove at(index : Number) | Removes the link at position index. |
reverse | Reverses the order of the elements. |
set at(index : Number, value : Link) | Sets the i-th link |
C.15 Location
A geo coordinate (latitude, longitude, …)
altitude : Number | Gets the altitude of the coordinate |
course : Number | Gets the course of the coordinate |
distance(other : Location) : Number | Calculates the distance in meters |
equals(other : Location) : Boolean | Indicates if this instance is equal to the other |
hor accuracy : Number | Gets the horizontal accuracy of the coordinate |
is invalid : Boolean | Returns true if the current instance is useless |
latitude : Number | Gets the latitude of the coordinate |
longitude : Number | Gets the longitude of the coordinate |
post to wall | Displays the location in a map using Bing |
share(network : String, message : String) | Shares the location (email, sms, Facebook, social or '' to pick from a list) |
speed : Number | Gets the speed of the coordinate |
to string : String | Converts to a string lat,long |
vert accuracy : Number | Gets the vertical accuracy of the coordinate |
C.16 Location Collection
add(value : Location) | Adds a location |
add many(value : Location Collection) | Adds many locations at once |
at(index : Number) : Location | Gets the i-th geo coordinate |
clear | Clears the collection |
count : Number | Gets the number of elements |
index of(item : Location, start : Number) : Number | Gets the index of the first occurrence of item. Returns -1 if not found or start is out of range. |
insert at(index : Number, item : Location) : Nothing | Inserts a location at position index. Does nothing if index is out of range. |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the locations in a map using Bing |
random : Location | Gets a random element from the collection. Returns invalid if the collection is empty. |
remove(item : Location) : Boolean | Removes the first occurrence of the location. Returns true if removed. |
remove at(index: Number) | Removes the location at position index |
reverse | Reverses the order of the elements |
set at(index : Number, value : Location) | Sets the i-th geo coordinate |
sort by distance(loc : Location) | Sorts by distance to the location |
C.17 Map
A Bing map.
add line(locations : Location Collection, color : Color, thickness : Number) | Adds a polyline that passes through various geo coordinates |
add link(link : Link, background : Color, foreground : Color) | Adds a link pushpin on the map (ignored if the location if not set) |
add message(msg : Message, background : Color, foreground : Color) | Adds a message pushpin on the map (ignored if the location is not set) |
add picture(location : Location, picture : Picture, background : Color) | Adds a picture pushpin on the map |
add place(place : Place, background : Color, foreground : Color) | Adds a place pushpin on the map (ignored if the location is not set) |
add text(location : Location, text : String, background : Color, foreground : Color) | Adds a text pushpin on the map |
center : Location | Gets the map center location |
clear | Clears the lines, regions and pushpins |
fill region(locations : Location Collection, fill : Color, stroke : Color, thickness : Number) | Fills a region with a color |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the map in the wall using Bing |
set center(center : Location) | Sets the map center location |
set zoom(level : Number) | Sets the zoom level from 1 (earth) to 21 (street) |
view pushpins | Changes the current zoom and center so that all the pushpins are visible. This method has no effect if the map is not posted on the wall yet. |
zoom : Number | Gets the zoom level |
C.18 Matrix
A two-dimensional matrix of numbers.
add(b : Matrix) : Matrix | Returns a matrix resulting from adding this matrix to b. The sizes of both matrices must match. |
at(index : Number) : Number | Gets the value at a given index. Elements are ordered line by line starting top left. |
clear(value : Number) | Sets all the element of the matrix to the value. |
clone : Matrix | Creates a deep copy of the matrix. |
column count : Number | Gets the number of columns |
count : Number | Gets the total number of elements |
is invalid : Boolean | Returns true if the current instance is useless |
item(row : Number, column : Number) : Number | Gets the value at a given location. Returns invalid if outside the array dimensions. |
max : Number | Computes the maximum of the values |
min : Number | Computes the minimum of the values |
multiply(b : Matrix) : Matrix | Returns a matrix resulting from multiplying each element in the matrices. The sizes of both matrices must match. |
negate : Matrix | Returns the matrix negated. |
post to wall | Displays the map in the wall using Bing |
random : Number | Gets a random element. Returns invalid if the matrix is empty. |
row count : Number | Gets the number of rows |
scale(factor : Number) : Matrix | Returns a copy of the matrix scaled by factor |
set at(index : Number, value : Number) | Sets the value at a given index. Elements are ordered line by line starting top left. |
set item(row : Number, column : Number, value : Number) | Sets the value at a particular position. The matrix will be expanded with zero values if the position falls outside the boundaries. |
subtract(b : Matrix) : Matrix | Returns a matrix resulting from subtracting b from this matrix. The sizes of both matrices must match. |
to string : String | Gets the string representation of the matrix |
transpose : Matrix | Returns the transposed matrix |
C.19 Message
A Message value contains the details of a posting on a message board. The list of methods is separated into get methods (which retrieve a single attribute of a message), set methods (which assign or update an attribute value), and other methods.
Get Methods of Message Type | |
---|---|
from : String | Gets the author |
id : String | Gets the message identifier |
link : String | Gets the link associated with the message |
location : Location | Gets the geo coordinates |
media link : String | Gets a url to the media |
message : String | Gets the message text |
picture link : String | Gets a url for the picture |
source : String | Gets the source of this message (Facebook, Twitter, etc…) |
time : DateTime | Gets the time |
title : String | Gets the title text |
to : String | Gets the recipient |
values : String Map | Gets additional values stored in the message |
Set Methods of Message Type | |
---|---|
set from(author : String) | Sets the author |
set id(value : String) | Sets the message identifier |
set link(url : String) | Sets the link associated to the message |
set location(location : Location) | Sets the geo coordinates |
set media link(url : String) | Sets the url to the media |
set message(message : String) | Sets the message text |
set picture link(url : String) | Sets the url to the picture |
set source(source : String) | Sets the source of this message |
set time(time : DateTime) | Sets the time |
set title(title : String) | Sets the title text |
set to(author : String) : Nothing | Sets the recipient |
Other Methods of Message Type | |
---|---|
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Posts the message to the wall |
share(where : String) : Nothing | Shares this message (email, sms, Facebook, social or '' to pick from a list) |
C.20 Message Collection
A list of messages.
add(value : Message | Adds a Message |
add many(value : Message Collection) | Adds a collection of Message items |
at(index : Number) : Message | Gets the i-th Message |
clear | Clears the collection |
continuation : String | Gets the identifier of the next set of messages |
count : Number | Gets the number of elements |
index of(item : Message, start : Number) : Number | Gets the index of the first occurrence of item. Returns -1 if not found or start is out of range. |
insert at(index : Number, item : Message) | Inserts a link at position index. Does nothing if index is out of range. |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the Messages in the wall |
random : Message | Gets a random element from the collection. Returns invalid if the collection is empty. |
remove(item : Message) : Boolean | Removes the first occurrence of the message. Returns true if removed. |
remove at(index : Number) | Removes the message at position index |
reverse | Reverses the order of the elements |
set at(index : Number, value : Message) | Sets the i-th Message |
set continuation(value : String) | Sets the identifier of the next set of message |
sort by date | Sorts from the newest to oldest |
C.21 Motion
Describes the motion of the device.
acceleration : Vector3 | Gets the linear acceleration of the device, in gravitational units |
gravity : Vector3 | Gets the gravity vector associated with this reading |
is invalid : Boolean | Returns true if the current instance is useless |
pitch : Number | Gets the pitch of the attitude in degrees |
post to wall | Displays the motion reading to the wall |
roll : Number | Gets the roll of the attitude in degrees |
rotation speed : Vector3 | Gets the device rotation speed in degrees per second |
time : DateTime | Gets a timestamp indicating the time at which the reading was calculated |
yaw : Number | Gets the yaw of the attitude in degrees |
C.22 Number
A number (possibly negative and/or fractional)
-(right : Number) : Number | Subtracts numbers |
*(right : Number) : Number | Multiplies numbers |
/(right : Number) : Number | Divides numbers |
+(right : Number) : Number | Adds numbers |
<(right : Number) : Boolean | Compares numbers for less |
=(right : Number) : Boolean | Compares numbers for equality |
≠(right : Number) : Boolean | Compares numbers for inequality |
>(right : Number) : Boolean | Compares numbers for more |
≤(right : Number) : Boolean | Compares numbers for less or equal |
≥(right : Number) : Boolean | Compares numbers for more or equal |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Prints the number to the wall |
to character : String | Interprets a number as a unicode value and converts it to a single character string |
to color : Color | Interprets the number as a ARGB (alpha, red, green, blue) color |
to json : Json Object | Converts the value into a json data structure |
to string : String | Converts a number to a string |
C.23 Number Collection
A collection of numbers
add(item : Number) | Adds a number at the end of the collection |
add many(items : Number Collection) | Adds many numbers at once |
at(index : Number) : Number | Gets the number at position index. Returns invalid if index is out of range |
avg : Number | Computes the average of the values |
clear | Clears the numbers |
contains(item : Number) : Boolean | Indicates if the collection contains the item |
count : Number | Gets the number of items |
index of(item : Number, start : Number) : Number | Gets the index of the first occurrence of a number. Returns -1 if not found or start is out of range. |
insert at(index : Number, item : Number) | Inserts a double at position index. Does nothing if index is out of range. |
is invalid : Boolean | Returns true if the current instance is useless |
max : Number | Computes the maximum of the values |
min : Number | Computes the minimum of the values |
post to wall | Displays the numbers on the wall |
random : Number | Gets a random element from the collection. Returns invalid if the collection is empty. |
remove(item : Number) : Boolean | Removes the first occurrence of a number. Returns true if removed. |
remove at(index : Number) | Removes the number at position index |
reverse | Reverses the items |
set at(index : Number, item : Number) | Sets the number at position index. Does nothing if the index is out of range. |
sort | Sorts the numbers in this collection |
sum : Number | Computes the sum of the values |
C.24 Number Map
A map of numbers to numbers
at(index : Number) : Number | Gets the element at index. Index may be any floating-point value |
avg : Number | Computes the average of the values |
clear | Clears the number map |
count : Number | Gets the number of elements |
is invalid : Boolean | Returns true if the current instance is useless |
max : Number | Computes the maximum of the values |
min : Number | Computes the minimum of the values |
post to wall | Displays the map in a line chart; you need to call 'update on wall' later if you want changes to be reflected |
remove(index : Number) | Removes the value at a given index |
set at(index : Number, value : Number) | Sets the element at index. Index may be any floating-point value |
set many(numbers : Number Map) | Sets many elements at once |
slice(start : Number, end : Number) : Number Map | Extracts the elements at indices between start (inclusive) and end (non-inclusive) |
sum : Number | Computes the sum of the values |
update on wall | Updates any display of this map |
C.25 OAuth Response
OAuth 2.0 Access Token or Error.
access token : String | The access token issued by the authorization server |
error : String | A single ASCII [USASCII] error code |
error description : String | (Optional) A human readable error code |
error uri : String | (Optional) A URI identifying a human-readable web page with information about the error, used to provide the client developer with additional information about the error. |
expires in : Number | (Optional) The lifetime in seconds of the access token |
is error : Boolean | Indicates if this response is an error |
is expiring(lookup : Number) : Boolean | (Optional) Indicates if the token might expire within the next seconds |
is invalid : Boolean | Returns true if the current instance is useless |
others : String Map | (Optional) Additional key-value pairs not covered by the OAuth 2.0 specification |
post to wall | Displays the response |
set at(index : Number, item : Number) | Sets the number at position index. Does nothing if the index is out of range. |
sort | Sorts the numbers in this collection |
scope : String | (Optional) Optional if if identical to the scope requested by the client; otherwise, the scope of the access token as described by Section 3.3 |
C.26 Page
A page on a wall
equals(other : Page) : Boolean | Gets a value indicating if the page is equal to the other |
is invalid : Boolean | Returns true if the current instance is useless |
C.27 Page Button
A page button on the wall
equals(page button : Page) : Boolean | Gets a value indicating if both instances are equal |
icon : String | Gets the icon name |
is invalid : Boolean | Returns true if the current instance is useless |
page : Page | Gets the page hosting this button |
post to wall | Pushes this button on the wall |
text : String | Gets the text |
C.28 Page Collection
A collection of pages
at(index : Number) : Page | Gets the pages at index |
count : Number | Gets the number of pages |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Posts the pages on the wall |
C.29 Picture
A Picture value is an image which can be displayed. The list of methods has been separated into get methods (which return a single property of a picture) and other methods.
Get Methods of Picture Type | |
---|---|
at(index : Number) : Color | Gets the pixel color at the given linear index |
count : Number | Gets the number of pixels |
date : DateTime | Gets the date and time where the picture was taken; if any |
height : Number | Gets the height in pixels |
location : Location | Gets the location where the picture was taken; if any. |
pixel(left : Number, top : Number) : Color | Gets the color of a pixel |
width : Number | Gets the width in pixels |
Other Methods of Picture Type | |
---|---|
blend(other : Picture, left : Number, top : Number, angle : Number, opacity : Number) | Writes another picture at a given location. The opacity ranges from 0 (transparent) to 1 (opaque). |
blend svg(markup : String, left : Number, top : Number, width : Number, height : Number, angle : Number) | Writes a Scalable Vector Graphics (SVG) document at a given location. By default, this action uses the viewport size provided in the SVG document when width or height are negative. |
brightness(factor : Number) | Changes the brightness of the picture. Factor in [-1, 1]. |
clear(color : Color) | Clears the picture to a given color |
clone : Picture | Returns a copy of the image |
colorize(background : Color, foreground : Color, threshold : Number) | Recolors the picture with the background and foreground color, based on a color threshold between 0.0 and 1.0 |
contrast(factor : Number) | Changes the contrast of the picture. Factor in [-1, 1]. |
crop(left : Number, top : Number, width : Number, height : Number) | Crops a sub-image |
desaturate | Makes the picture gray |
draw ellipse(left : Number, top : Number, width : Number, height : Number, angle : Number, c : Color, thickness : Number) | Draws an elliptic border with a given color |
draw line(x1 : Number, y1 : Number, x2 : Number, y2 : Number, color : Color, thickness : Number) | Draws a line between two points |
draw rect(left : Number, top : Number, width : Number, height : Number, angle : Number, c : Color, thickness : Number) | Draws a rectangle border with a given color |
draw text(left : Number, top : Number, text : String, font size : Number, angle : Number, color : Color) | Draws some text border with a given color and font size |
fill ellipse(left : Number, top : Number, width : Number, height : Number, angle : Number, color : Color) | Fills a ellipse with a given color |
fill rect(left : Number, top : Number, width : Number, height : Number, angle : Number, color : Color) | Fills a rectangle with a given color |
flip horizontal | Flips the picture horizontally |
flip vertical | Flips the picture vertically |
invert | Inverts the red, blue and green channels |
is invalid : Boolean | Returns true if the current instance is useless |
is panorama : Boolean | Indicates if the picture width is greater than its height |
post to wall | Displays the image to the wall; you need to call 'update on wall' later if you want changes to be reflected |
resize(width : Number, height : Number) | Resizes the picture to the given size in pixels |
save to library : String | Saves the picture to the 'saved pictures' album. Returns the file name. |
set pixel(left : Number, top : Number, color : Color) | Sets the pixel color at a given pixel |
share(where : String, message : String) | Shares this message ('' to pick from a list) |
tint(color : Color) | Converts every pixel to gray and tints it with the given color. |
update on wall | Refreshes the picture on the wall |
C.30 Picture Album
A picture album
albums : Picture Albums | Gets the children albums |
is invalid : Boolean | Returns true if the current instance is useless |
name : String | Gets the name of the album |
pictures : Pictures | Gets the pictures |
post to wall | Displays the album to the wall |
C.31 Picture Albums
A collection of picture albums
at(index : Number) : Picture Album | Gets the item at position 'index'; invalid if index is out of bounds |
count : Number | Gets the number of elements in the collection |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the value to the wall |
random : Picture Album | Gets random item; invalid if collection is empty |
C.32 Pictures
A collection of pictures
at(index : Number) : Picture | Gets the item at position 'index'; invalid if index is out of bounds |
count : Number | Gets the number of elements in the collection |
find(name : String) : Number | Finds a picture by name and returns the index. Returns -1 if not found. |
full(index : Number) : Picture | Gets the full resolution version of i-th picture |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the picture thumbnails to the wall |
random : Picture | Gets a random item; invalid if collection is empty |
thumbnail(index : Number) : Picture | Gets the thumbnail of i-th picture |
C.33 Place
Attaches or uses information for a named location. The list of methods has been separate into three tables: get methods which access attributes of a Place, set methods which update or replace attributes, and other methods.
Get Methods of Place Type | |
---|---|
category : String | Gets the category of the place |
id : String | Gets the identifier of this place |
link : String | Gets the link associated to the message |
location : Location | Gets the location of the place |
name : String | Gets the name of the place |
picture link : String | Gets a url to the picture |
source : String | Gets the source of this place (Facebook, TouchDevelop) |
Set Methods of Place Type | |
---|---|
set category(category : String) | Sets the category of the place |
set id(id : String) | Sets the identifier of this place |
set link(url : String) | Sets the link associated with the message |
set location(location : Location) | Sets the location of the place |
set name(name : String) | Sets the name of the place |
set picture link(url : String) | Sets the url for the picture |
set source(source : String) | Sets the source of this place |
Other Methods of Place Type | |
---|---|
is invalid : Boolean | Returns true if the current instance is useless |
post to wall : Nothing | Posts the place to the wall |
to string : String | Converts to a string name, plus latitude and longitude |
C.34 Place Collection
A collection of places
add(value : Place) | Adds a place |
add many(value : Place Collection) | Adds many places at once |
at(index : Number) : Place | Gets the i-th place |
clear | Clears the collection |
continuation : String | Gets the identifier of the next set of messages |
count : Number | Gets the number of elements |
index of(item : Place, start : Number) : Number | Gets the index of the first occurrence of item. Returns -1 if not found or start is out of range. |
insert at(index : Number, item : Place) | Inserts a place at position index. Does nothing if index is out of range. |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Posts the places on the wall |
random : Place | Gets a random element from the collection. Returns invalid if the collection is empty. |
remove(item : Place) : Boolean | Removes the first occurrence of a place. Returns true if removed. |
remove at(index : Number) | Removes the location at position index |
reverse | Reverses the order of the elements |
set at(index : Number, value : Place) | Sets the i-th place |
set continuation(value : String) | Sets the identifier of the next set of messages |
sort by distance(loc : Location) | Sorts the places by distance to the location |
C.35 Playlist
A song playlist
duration : Number | Gets the duration in seconds |
is invalid : Boolean | Returns true if the current instance is useless |
name : String | Gets the name of the song |
play | Plays the songs in the playlist |
post to wall | Displays the playlist to the wall |
songs : Songs | Gets the songs |
C.36 Playlists
A collection of playlists
at(index : Number) : Playlist | Gets i-th playlist |
count : Number | Gets the number of playlists |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the value to the wall |
C.37 Song
A song
album : Song Album | Gets the song album containing the song |
artist : String | Gets the name of the artist |
duration : Number | Gets the duration in seconds |
genre : String | Gets the genre of the song |
is invalid : Boolean | Returns true if the current instance is useless |
name : String | Gets the name of the song |
play | Plays the song |
play count : Number | Gets the play count |
post to wall | Displays the song on the wall |
protected : Boolean | Gets a value indicating whether the song is DRM protected |
rating : Number | Gets the users rating; -1 if not rated |
track : Number | Gets the track number in the album |
C.38 Songs
A collection of songs
at(index : Number) : Song | Gets the item at position 'index'; invalid if index is out of bounds |
count : Number | Gets the number of elements in the collection |
is invalid : Boolean | Returns true if the current instance is useless |
play | Plays the song |
post to wall | Displays the songs on the wall |
random : Song | Gets random item; invalid if collection is empty |
C.39 Song Album
A song album
art : Picture | Gets album art picture |
artist : String | Gets the name of the artist |
duration : Number | Gets the duration in seconds |
genre : String | Gets the genre of the song |
has art : Boolean | Indicates if the album has art |
is invalid : Boolean | Returns true if the current instance is useless |
name : String | Gets the name of the album |
play | Plays the songs of the album |
post to wall | Displays the song album on the wall |
songs : Songs | Gets the songs |
thumbnail : Picture | Gets the thumbnail picture |
C.40 Song Albums
A collection of albums
at(index : Number) : Song Album | Gets the item at position 'index'; invalid if index is out of bounds |
count : Number | Gets the number of elements in the collection |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the value to the wall |
random : Song Album | Gets random item; invalid if collection is empty |
C.41 Songs
A collection of songs.
at(index : Number) : Song | Gets the item at position 'index'; invalid if index is out of bounds |
count : Number | Gets the number of elements in the collection |
is invalid : Boolean | Returns true if the current instance is useless |
play | Plays the song |
post to wall | Displays the songs on the wall |
random : Song | Gets random item; invalid if collection is empty |
C.42 Sound
A sound effect
duration : Number | Gets the duration in seconds |
is invalid : Boolean | Returns true if the current instance is useless |
pan : Number | Gets the panning, ranging from -1.0 (full left) to 1.0 (full right) |
pitch : Number | Gets the pitch adjustment, ranging from -1 (down one octave) to 1 (up one octave) |
play | Plays the sound effect |
play special(volume : Number, pitch : Number, pan : Number) | Plays the song with different volume (0 to 1), pitch (-1 to 1) and pan (-1 to 1) |
post to wall | Displays a player on the wall |
set pan(pan : Number) | Sets the panning, ranging from -1.0 (full left) to 1.0 (full right) |
set pitch(pitch : Number) | Sets the pitch adjustment, ranging from -1 (down one octave) to 1 (up one octave) |
set volume(v : Number) | Sets the volume from 0 (silent) to 1 (full volume) |
volume : Number | Gets the volume from 0 (silent) to 1 (full volume) |
C.43 Sprite
A sprite is a graphical object which can be displayed on a Board instance. The list of methods of the Sprite type has been separated into get methods (which return a single attribute), set methods (which assign or update an attribute), and other methods.
Get Methods of Sprite Type | |
---|---|
acceleration x : Number | Gets the acceleration along x in pixels/sec2 |
acceleration y : Number | Gets the acceleration along y in pixels/sec2 |
angle : Number | Gets the angle of the sprite in degrees |
angular speed : Number | Gets the rotation speed in degrees/sec |
color : Color | Gets the sprite color |
elasticity : Number | Gets the sprite elasticity as a fraction of speed preservation per bounce (0-1) |
friction : Number | Gets the fraction of speed loss between 0 and 1 |
height : Number | Gets the height in pixels |
location : Location | Gets the geo location assigned to the sprite |
mass : Number | Gets the mass |
opacity : Number | Gets the opacity (between 0 transparent and 1 opaque) |
picture : Picture | Gets the picture on a picture sprite (if it is a picture sprite) |
speed x : Number | Gets the speed along x in pixels/sec |
speed y : Number | Gets the speed along y in pixels/sec |
text : String | The text on a text sprite (if it is a text sprite) |
width : Number | Gets the width in pixels |
x : Number | Gets the x position in pixels |
y : Number | Gets the y position in pixels |
z index : Number | Gets the z-index of the sprite |
Set Methods of Sprite Type | |
---|---|
set acceleration(vx : Number, vy : Number) | Sets the acceleration in pixels/sec^2 |
set acceleration x(vx : Number) | Sets the x acceleration in pixels/sec^2 |
set acceleration y(vy : Number) | Sets the y acceleration in pixels/sec^2 |
set angle(angle : Number) | Sets the angle of the sprite in degrees |
set angular speed(speed : Number) | Sets the rotation speed in degrees/sec |
set clip(left : Number, top : Number, width : Number, height : Number) | Sets the clipping area for an image sprite (if it is an image sprite) |
set elasticity(elasticity : Number) | Sets the sprite elasticity as a fraction of speed preservation per bounce (0-1) |
set friction(friction : Number) | Sets the friction to a fraction of speed loss between 0 and 1 |
set height(height : Number) | Sets the height in pixels |
set location(location : Location) | Sets the geo location of the sprite |
set mass(mass : Number) | Sets the sprite mass |
set opacity(opacity : Number) | Sets the sprite opacity (between 0 transparent and 1 opaque) |
set picture(pic : Picture) : Nothing | Updates picture on a picture sprite (if it is a picture sprite) |
set pos(x : Number, y : Number) | Sets the position in pixels |
set speed(vx : Number, vy : Number) | Sets the speed in pixels/sec |
set speed x(vx : Number) | Sets the x speed in pixels/sec |
set speed y(vy : Number) | Sets the y speed in pixels/sec |
set text(text : String) | Updates text on a text sprite (if it is a text sprite) |
set width(width : Number) | Sets the width in pixels |
set x(x : Number) | Sets the x position in pixels |
set y(y : Number) : Nothing | Sets the y position in pixels |
set z index(zindex : Number) | Sets the z-index of the sprite |
speed towards(other : Sprite, magnitude : Number) | Sets sprite speed direction towards other sprite with given magnitude |
Other Methods of Sprite Type | |
---|---|
delete | Delete sprite |
equals(other : Sprite) : Boolean | Are these the same sprite? |
hide | Hide the sprite |
is invalid : Boolean | Returns true if the current instance is useless |
is visible : Boolean | Returns true if sprite is not hidden |
move(delta x : Number, delta y : Number) | Moves sprite |
move clip(x : Number, y : Number) | Moves the clipping area and wraps around the image if needed (if it is an image sprite) |
move towards(other : Sprite, fraction : Number) | Moves sprite towards other sprite |
overlap with(sprites : Sprite Set) : Sprite Set | Returns the subset of sprites in the given set that overlap with sprite |
overlaps with(other : Sprite) : Boolean | Do the sprites overlap? |
show | Show the sprite |
C.44 Sprite Set
A collection of sprites. Unlike the other collection types, a Sprite Set does not allow duplicate items, and the items in the set are ordered.
add(sprite : Sprite) : Boolean | Add sprite to set. Returns true if sprite was not already in set. |
add from(old set : Sprite Set, sprite : Sprite) : Boolean | Add sprite to set and remove from old set. Returns true if sprite was in old set and not in new set. |
at(index : Number) : Sprite | Return sprite at given index |
clear | Removes all sprites from the set |
contains(sprite : Sprite) : Boolean | Returns true if sprite is in set |
count : Number | Returns the number of sprites in the set |
index of(sprite : Sprite) : Number | Returns index of sprite in this set or -1 if not in set |
is invalid : Boolean | Returns true if the current instance is useless |
remove(sprite : Sprite) : Boolean | Remove sprite from set. Returns true if sprite was in set |
remove first : Sprite | Remove sprite that was added to set first |
C.45 String
A piece of text.
∥(right : String) : String | Concatenates two pieces of text |
at(index : Number) : String | Gets the character at a specified index |
compare(other : String) : Number | Compares two pieces of text |
concat(other : String) : String | Concatenates two pieces of text |
contains(value : String) : Boolean | Returns a value indicating if the second string is contained |
copy to clipboard | Stores text in the clipboard |
count : Number | Returns the number of characters |
ends with(value : String) : Boolean | Determines whether the ending matches the specified string |
equals(other : String) : Boolean | Checks if two strings are the same |
index of(value : String, start : Number) : Number | Returns the index of the first occurrence if found starting at a given position |
insert(start : Number, value : String) : String | Inserts a string at a given position |
is empty : Boolean | Indicates if the string is empty |
is invalid : Boolean | Returns true if the current instance is useless |
is match regex(pattern : String) : Boolean | Indicates if the string matches a regular expression |
last index of(value : String, start : Number) : Number | Returns the index of the last occurrence if found starting at a given position |
matches(pattern : String) : String Collection | Gets the strings matching the regex expression (pattern) |
post to wall | Displays string on the wall |
remove(start : Number) : String | Returns all character from a string starting at a given index |
replace(old : String, new : String) : String | Returns a given string with a replacement |
replace regex(pattern : String, replace : String) : String | Replace every match of the regex according to the replacement string |
share(network : String) | Shares the string (email, sms, Facebook, social or '' to pick from a list) |
split(separator : String) : String Collection | Returns a string collection that contains the substrings in this string that are delimited by elements of a specified string |
starts with(value : String) : Boolean | Determines whether the beginning matches the specified string |
substring(start : Number, length : Number) : String | Returns a substring given a start index and a length |
to boolean : Boolean | Parses the string as a boolean |
to color : Color | Parses the string as a color |
to datetime : DateTime | Parses the string as a date and time |
to json : Json Object | Converts the value into a json data structure |
to location : Location | Parses the string as a geo coordinate |
to lower case : String | Returns a copy of this string converted to lowercase, using the casing rules of the current culture |
to number : Number | Parses the string as a number |
to time : Number | Parses the string as a time (12:30:12) and returns the number of seconds |
to unicode : Number | Converts a single character string into its unicode number |
to upper case : String | Returns a copy of this string converted to uppercase, using the casing rules of the current culture |
trim(chars : String) : String | Removes all leading and trailing occurrences of a set of characters specified in a string from the current string |
trim end(chars : String) : String | Removes all trailing occurrences of a set of characters specified in a string from the current string |
trim start(chars : String) : String | Removes all leading occurrences of a set of characters specified in a string from the current string |
C.46 String Collection
A collection of strings
add(item : String) | Adds a string |
add many(items : String Collection) | Adds many strings at once |
at(index : Number) : String | Gets the string at position index. Returns invalid if index is out of range. |
clear | Clears the strings |
contains(item : String) : Boolean | Indicates if the collection contains the item |
count : Number | Gets the number of strings |
index of(item : String, start : Number) : Number | Gets index of the first occurrence of a string. Returns -1 if not found or start is out of range. |
insert at(index : Number, item : String) : Nothing | Inserts a string at position index. Does nothing if index is out of range. |
is invalid : Boolean | Returns true if the current instance is useless |
join(separator : String) : String | Concatenates separator and items into a string |
post to wall | Displays the string on the wall |
random : String | Gets a random element from the collection. Returns invalid if the collection is empty. |
remove(item : String) : Boolean | Removes the first occurrence of a string. Returns true if removed. |
remove at(index : Number) : Nothing | Removes the string at position index |
reverse | Reverses the items |
set at(index : Number, item : String) | Sets the string at position index. Does nothing if the index is out of range. |
sort | Sorts the strings in this collection |
C.47 String Map
A map from strings to strings
at(key : String) : String | Gets the value at a given key; invalid if not found |
clear | Clears the values from the map |
count : Number | Gets the number of elements in the map |
is invalid : Boolean | Returns true if the current instance is useless |
keys : String Collection | Gets the keys in the map |
post to wall | Displays the list of key,value pairs in a table |
remove(key : String) | Removes the value at a given key |
set at(key : String, value : String) : Nothing | Sets the value at a given key; invalid if not found |
set many(other : String Map) : Nothing | Sets many elements at once |
C.48 TextBox
A text box
background : Color | Gets the background color |
border : Color | Gets the border color |
font size : Number | Gets the font size |
foreground : Color | Gets the foreground color |
icon : Picture | Gets the icon picture (max 173x173) |
is invalid : Boolean | Returns true if current instance is useless |
post to wall | Posts the textbox to the wall |
set background(color : Color) | Sets the background color |
set border(color : Color) | Sets the border color |
set font size(size: Number) | Sets font size (small = 14, normal = 15, medium = 17, medium large = 19, large = 24, extra large = 32, extra extra large = 54, huge = 140 |
set foreground(color : Color) | Sets the foreground color |
set icon(pic : Picture) | Sets the icon picture (max 96 x 96) |
set text(text : String) | Sets the text |
text : String | Gets the text |
C.49 Vector3
A 3D vector
add(other : Vector3) : Vector3 | Adds a vector |
clamp(min : Vector3, max : Vector3) : Vector3 | Restricts the vector in the specified range |
cross(other : Vector3) : Vector3 | Calculates the cross product with the other vector |
distance(other : Vector3) : Number | Gets the distance between the two vectors |
is invalid : Boolean | Returns true if the current instance is useless |
length : Number | Gets the length of the vector |
linear interpolation(other : Vector3, amount : Number) : Vector3 | Linear interpolation between two vectors |
multiply(other : Vector3) : Vector3 | Multiplies component-wise with a vector |
negate : Vector3 | Returns a vector pointing in the opposite direction |
normalize : Vector3 | Returns a vector of one unit pointing in the same direction as the original vector |
post to wall | Displays the vector on the wall |
scale(scalar : Number) : Vector3 | Multiplies with a scaling factor |
subtract(other : Vector3) : Vector3 | Subtracts another vector |
to string : String | Turns the vector into a string |
x : Number | Gets the x-component |
y : Number | Gets the y-component |
z : Number | Gets the z-component |
C.50 Web Request
An HTTP web request
equals(other : Web Request) : Boolean | Indicates if both requests are the same instance |
header(name : String) : String | Gets the value of a given header |
header names : String Collection | Gets the names of the headers |
is invalid : Boolean | Returns true if the current instance is useless |
method : String | Determines whether it was a 'get' or a 'post' |
on response received(handler : Web Response Action) | Set what happens whenever the response comes back from 'send async' |
post to wall | Displays the request on the wall |
send : Web Response | Performs the request synchronously |
set accept(type : String) | Sets the Accept header type ('text/xml' for XML, 'application/json' for JSON) |
set compress(value : Boolean) | Compresses the request content with gzip and sets the Content-Encoding header |
set content(content : String) | Sets the content of a 'post' request |
set content as form(form : Form Builder) | Sets the content as multipart/form-data |
set content as json(json : Json Object) | Sets the content of a 'post' request as the JSON tree |
set content as picture(picture : Picture, quality : Number) | Sets the content of a 'post' request as a JPEG encoded image. Quality from 0 (worse) to 1 (best). |
set content as xml(xml : Xml Object) | Sets the content of a 'post' request as the XML tree |
set credentials(name : String, password : String) | Sets the name and password for basic authentication. Requires an HTTPS URL, empty string clears. |
set header(name : String, value : String) | Sets an HTML header value. An empty string clears the value |
set method(method : String) | Sets the method as 'get' or 'post'. Default value is 'get' |
set url(url : String) | Sets the url of the request. Must be a valid internet address. |
url : String | Gets the url of the request |
C.51 Web Response
An HTTP web response
content : String | Reads the response body as a string |
content as json : Json Object | Reads the response body as a JSON tree |
content as picture : Picture | Reads the response body as a picture |
content as sound : Sound | Reads the response body as a wave sound |
content as xml : Xml Object | Reads the response body as a XML tree |
header(name : String) : String | Gets the value of a given header |
header names : String Collection | Gets the names of the headers |
is invalid : Boolean | Returns true if the current instance is useless |
post to wall | Displays the response to the wall |
request : Web Request | Gets the request associated to this response |
status code : Number | Gets the HTTP Status code of the request if any |
C.52 Xml Object
An xml element or collection of elements.
at(index : Number) : Xml Object | Gets the i-th child element in the collection |
attr(name : String) : String | Gets the value of the attribute |
attr names : String Collection | Gets the list of attribute names |
child(name : String) : Xml Object | Gets a first child element matching the fully qualified name |
children(name : String) : Xml Object | Gets a collection of child element matching the fully qualified name |
count : Number | Gets the number of child element |
create name(local name : String, namespace uri : String) : String | Creates a qualified full name from the namespace and local name |
is element : Boolean | Indicates if this instance is an element or a filtered collection |
is invalid : Boolean | Returns true if the current instance is useless |
local name : String | Gets the local name of this element |
name : String | Gets the full name of this element |
namespace : String | Gets the namespace of this element |
post to wall | Display the xml content on the wall |
to string : String | Gets an xml string |
value : String | Gets the concatenated text contents of this element |
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© 2013 R. Nigel Horspool
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Horspool, R.N., Tillmann, N. (2013). TouchDevelop Datatypes. In: TouchDevelop: Programming on the Go. Apress, Berkeley, CA. https://doi.org/10.1007/978-1-4302-6137-7_14
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