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authorDivay Prakash <divayprakash@users.noreply.github.com>2019-02-24 23:13:24 +0530
committerGitHub <noreply@github.com>2019-02-24 23:13:24 +0530
commit2998e064549bdc63e029c3cc1082e31f99e4205b (patch)
tree414ee7ec19b65deef315745606d07af08c9ed82f /haxe.html.markdown
parent67ffd4172c22901289761e4e885197ef3633b44d (diff)
parent36b19ae62361210307b2b4cc9836653b38d90eb8 (diff)
Merge pull request #3480 from uvtc/patch-2
[Haxe/en] whitespace and uniformity cleanups
Diffstat (limited to 'haxe.html.markdown')
-rw-r--r--haxe.html.markdown405
1 files changed, 171 insertions, 234 deletions
diff --git a/haxe.html.markdown b/haxe.html.markdown
index afb9d1a3..f7633dbf 100644
--- a/haxe.html.markdown
+++ b/haxe.html.markdown
@@ -7,17 +7,18 @@ contributors:
---
Haxe is a web-oriented language that provides platform support for C++, C#,
-Swf/ActionScript, Javascript, Java, and Neko byte code (also written by the
-Haxe author). Note that this guide is for Haxe version 3. Some of the guide
-may be applicable to older versions, but it is recommended to use other
-references.
+Swf/ActionScript, Javascript, Java, PHP, Python, Lua, HashLink, and Neko byte code
+(the latter two being also written by the Haxe author). Note that this guide is for
+Haxe version 3. Some of the guide may be applicable to older versions, but it is
+recommended to use other references.
```csharp
/*
Welcome to Learn Haxe 3 in 15 minutes. http://www.haxe.org
This is an executable tutorial. You can compile and run it using the haxe
compiler, while in the same directory as LearnHaxe.hx:
- $> haxe -main LearnHaxe3 -x out
+
+ $ haxe -main LearnHaxe3 --interp
Look for the slash-star marks surrounding these paragraphs. We are inside
a "Multiline comment". We can leave some notes here that will get ignored
@@ -26,16 +27,14 @@ references.
Multiline comments are also used to generate javadoc-style documentation for
haxedoc. They will be used for haxedoc if they immediately precede a class,
class function, or class variable.
-
*/
-// Double slashes like this will give a single-line comment
-
+// Double slashes like this will give a single-line comment.
/*
This is your first actual haxe code coming up, it's declaring an empty
- package. A package isn't necessary, but it's useful if you want to create a
- namespace for your code (e.g. org.yourapp.ClassName).
+ package. A package isn't necessary, but it's useful if you want to create
+ a namespace for your code (e.g. org.yourapp.ClassName).
Omitting package declaration is the same as declaring an empty package.
*/
@@ -47,8 +46,9 @@ package; // empty package, no namespace.
must be lower case while module names are capitalized. A module contain one
or more types whose names are also capitalized.
- E.g, the class "org.yourapp.Foo" should have the folder structure org/module/Foo.hx,
- as accessible from the compiler's working directory or class path.
+ E.g, the class "org.yourapp.Foo" should have the folder structure
+ org/module/Foo.hx, as accessible from the compiler's working directory or
+ class path.
If you import code from other files, it must be declared before the rest of
the code. Haxe provides a lot of common default classes to get you started:
@@ -64,34 +64,27 @@ import Lambda.array;
// you can also use "*" to import all static fields
import Math.*;
-/*
- You can also import classes in a special way, enabling them to extend the
- functionality of other classes like a "mixin". More on 'using' later.
- */
+// You can also import classes in a special way, enabling them to extend the
+// functionality of other classes like a "mixin". More on 'using' later.
using StringTools;
-/*
- Typedefs are like variables... for types. They must be declared before any
- code. More on this later.
- */
+// Typedefs are like variables... for types. They must be declared before any
+// code. More on this later.
typedef FooString = String;
// Typedefs can also reference "structural" types, more on that later as well.
typedef FooObject = { foo: String };
-/*
- Here's the class definition. It's the main class for the file, since it has
- the same name (LearnHaxe3).
- */
-class LearnHaxe3{
+// Here's the class definition. It's the main class for the file, since it has
+// the same name (LearnHaxe3).
+class LearnHaxe3 {
/*
If you want certain code to run automatically, you need to put it in
a static main function, and specify the class in the compiler arguments.
In this case, we've specified the "LearnHaxe3" class in the compiler
arguments above.
*/
- static function main(){
-
+ static function main() {
/*
Trace is the default method of printing haxe expressions to the
screen. Different targets will have different methods of
@@ -103,17 +96,13 @@ class LearnHaxe3{
*/
trace("Hello World, with trace()!");
- /*
- Trace can handle any type of value or object. It will try to print
- a representation of the expression as best it can. You can also
- concatenate strings with the "+" operator:
- */
- trace( " Integer: " + 10 + " Float: " + 3.14 + " Boolean: " + true);
+ // Trace can handle any type of value or object. It will try to print
+ // a representation of the expression as best it can. You can also
+ // concatenate strings with the "+" operator:
+ trace("Integer: " + 10 + " Float: " + 3.14 + " Boolean: " + true);
- /*
- In Haxe, it's required to separate expressions in the same block with
- semicolons. But, you can put two expressions on one line:
- */
+ // In Haxe, it's required to separate expressions in the same block with
+ // semicolons. But, you can put two expressions on one line:
trace('two expressions..'); trace('one line');
@@ -122,14 +111,11 @@ class LearnHaxe3{
//////////////////////////////////////////////////////////////////
trace("***Types & Variables***");
- /*
- You can save values and references to data structures using the
- "var" keyword:
- */
+ // You can save values and references to data structures using the
+ // "var" keyword:
var an_integer:Int = 1;
trace(an_integer + " is the value for an_integer");
-
/*
Haxe is statically typed, so "an_integer" is declared to have an
"Int" type, and the rest of the expression assigns the value "1" to
@@ -150,46 +136,36 @@ class LearnHaxe3{
Haxe uses platform precision for Int and Float sizes. It also
uses the platform behavior for overflow.
(Other numeric types and behavior are possible using special
- libraries)
- */
-
- /*
+ libraries.)
+
In addition to simple values like Integers, Floats, and Booleans,
Haxe provides standard library implementations for common data
structures like strings, arrays, lists, and maps:
*/
- var a_string = "some" + 'string'; // strings can have double or single quotes
+ // Strings can have double or single quotes.
+ var a_string = "some" + 'string';
trace(a_string + " is the value for a_string");
- /*
- Strings can be "interpolated" by inserting variables into specific
- positions. The string must be single quoted, and the variable must
- be preceded with "$". Expressions can be enclosed in ${...}.
- */
+ // Strings can be "interpolated" by inserting variables into specific
+ // positions. The string must be single quoted, and the variable must
+ // be preceded with "$". Expressions can be enclosed in ${...}.
var x = 1;
var an_interpolated_string = 'the value of x is $x';
var another_interpolated_string = 'the value of x + 1 is ${x + 1}';
- /*
- Strings are immutable, instance methods will return a copy of
- parts or all of the string.
- (See also the StringBuf class).
- */
+ // Strings are immutable, instance methods will return a copy of
+ // parts or all of the string. (See also the StringBuf class).
var a_sub_string = a_string.substr(0,4);
trace(a_sub_string + " is the value for a_sub_string");
- /*
- Regexes are also supported, but there's not enough space to go into
- much detail.
- */
+ // Regexes are also supported, but there's not enough space here to go
+ // into much detail.
var re = ~/foobar/;
trace(re.match('foo') + " is the value for (~/foobar/.match('foo')))");
- /*
- Arrays are zero-indexed, dynamic, and mutable. Missing values are
- defined as null.
- */
+ // Arrays are zero-indexed, dynamic, and mutable. Missing values are
+ // defined as null.
var a = new Array<String>(); // an array that contains Strings
a[0] = 'foo';
trace(a.length + " is the value for a.length");
@@ -197,20 +173,17 @@ class LearnHaxe3{
trace(a.length + " is the value for a.length (after modification)");
trace(a[3] + " is the value for a[3]"); //null
- /*
- Arrays are *generic*, so you can indicate which values they contain
- with a type parameter:
- */
+ // Arrays are *generic*, so you can indicate which values they contain
+ // with a type parameter:
var a2 = new Array<Int>(); // an array of Ints
var a3 = new Array<Array<String>>(); // an Array of Arrays (of Strings).
- /*
- Maps are simple key/value data structures. The key and the value
- can be of any type.
- */
- var m = new Map<String, Int>(); // The keys are strings, the values are Ints.
+ // Maps are simple key/value data structures. The key and the value
+ // can be of any type.
+ // Here, the keys are strings, and the values are Ints:
+ var m = new Map<String, Int>();
m.set('foo', 4);
- // You can also use array notation;
+ // You can also use array notation:
m['bar'] = 5;
trace(m.exists('bar') + " is the value for m.exists('bar')");
trace(m.get('bar') + " is the value for m.get('bar')");
@@ -219,19 +192,15 @@ class LearnHaxe3{
var m2 = ['foo' => 4, 'baz' => 6]; // Alternative map syntax
trace(m2 + " is the value for m2");
- /*
- Remember, you can use type inference. The Haxe compiler will
- decide the type of the variable the first time you pass an
- argument that sets a type parameter.
- */
+ // Remember, you can use type inference. The Haxe compiler will
+ // decide the type of the variable the first time you pass an
+ // argument that sets a type parameter.
var m3 = new Map();
m3.set(6, 'baz'); // m3 is now a Map<Int,String>
trace(m3 + " is the value for m3");
- /*
- Haxe has some more common datastructures in the haxe.ds module, such as
- List, Stack, and BalancedTree
- */
+ // Haxe has some more common datastructures in the haxe.ds module, such
+ // as List, Stack, and BalancedTree.
//////////////////////////////////////////////////////////////////
@@ -243,11 +212,11 @@ class LearnHaxe3{
trace((4 + 3) + " is the value for (4 + 3)");
trace((5 - 1) + " is the value for (5 - 1)");
trace((2 * 4) + " is the value for (2 * 4)");
- trace((8 / 3) + " is the value for (8 / 3) (division always produces Floats)");
+ // Division always produces Floats.
+ trace((8 / 3) + " is the value for (8 / 3) (a Float)");
trace((12 % 4) + " is the value for (12 % 4)");
-
- //basic comparison
+ // basic comparison
trace((3 == 2) + " is the value for 3 == 2");
trace((3 != 2) + " is the value for 3 != 2");
trace((3 > 2) + " is the value for 3 > 2");
@@ -257,22 +226,23 @@ class LearnHaxe3{
// standard bitwise operators
/*
- ~ Unary bitwise complement
- << Signed left shift
- >> Signed right shift
- >>> Unsigned right shift
- & Bitwise AND
- ^ Bitwise exclusive OR
- | Bitwise inclusive OR
+ ~ Unary bitwise complement
+ << Signed left shift
+ >> Signed right shift
+ >>> Unsigned right shift
+ & Bitwise AND
+ ^ Bitwise exclusive OR
+ | Bitwise inclusive OR
*/
- //increments
+ // increments
var i = 0;
trace("Increments and decrements");
- trace(i++); //i = 1. Post-Incrementation
- trace(++i); //i = 2. Pre-Incrementation
- trace(i--); //i = 1. Post-Decrementation
- trace(--i); //i = 0. Pre-Decrementation
+ trace(i++); // i = 1. Post-Increment
+ trace(++i); // i = 2. Pre-Increment
+ trace(i--); // i = 1. Post-Decrement
+ trace(--i); // i = 0. Pre-Decrement
+
//////////////////////////////////////////////////////////////////
// Control Structures
@@ -281,21 +251,19 @@ class LearnHaxe3{
// if statements
var j = 10;
- if (j == 10){
+ if (j == 10) {
trace("this is printed");
- } else if (j > 10){
+ } else if (j > 10) {
trace("not greater than 10, so not printed");
} else {
trace("also not printed.");
}
// there is also a "ternary" if:
- (j == 10) ? trace("equals 10") : trace("not equals 10");
+ (j == 10) ? trace("equals 10") : trace("not equals 10");
- /*
- Finally, there is another form of control structures that operates
- at compile time: conditional compilation.
- */
+ // Finally, there is another form of control structure that operates
+ // at compile time: conditional compilation.
#if neko
trace('hello from neko');
#elseif js
@@ -303,43 +271,40 @@ class LearnHaxe3{
#else
trace('hello from another platform!');
#end
- /*
- The compiled code will change depending on the platform target.
- Since we're compiling for neko (-x or -neko), we only get the neko
- greeting.
- */
+
+ // The compiled code will change depending on the platform target.
+ // Since we're compiling for neko (-x or -neko), we only get the neko
+ // greeting.
trace("Looping and Iteration");
// while loop
var k = 0;
- while(k < 100){
+ while (k < 100) {
// trace(counter); // will print out numbers 0-99
k++;
}
// do-while loop
var l = 0;
- do{
+ do {
trace("do statement always runs at least once");
} while (l > 0);
// for loop
- /*
- There is no c-style for loop in Haxe, because they are prone
- to error, and not necessary. Instead, Haxe has a much simpler
- and safer version that uses Iterators (more on those later).
- */
- var m = [1,2,3];
- for (val in m){
+ // There is no c-style for loop in Haxe, because they are prone
+ // to error, and not necessary. Instead, Haxe has a much simpler
+ // and safer version that uses Iterators (more on those later).
+ var m = [1, 2, 3];
+ for (val in m) {
trace(val + " is the value for val in the m array");
}
// Note that you can iterate on an index using a range
// (more on ranges later as well)
var n = ['foo', 'bar', 'baz'];
- for (val in 0...n.length){
+ for (val in 0...n.length) {
trace(val + " is the value for val (an index for n)");
}
@@ -354,8 +319,11 @@ class LearnHaxe3{
var modified_n = [for (val in n) val += '!'];
trace(modified_n + " is the value for modified_n");
- var filtered_and_modified_n = [for (val in n) if (val != "foo") val += "!"];
- trace(filtered_and_modified_n + " is the value for filtered_and_modified_n");
+ var filtered_and_modified_n
+ = [for (val in n) if (val != "foo") val += "!"];
+ trace(filtered_and_modified_n
+ + " is the value for filtered_and_modified_n");
+
//////////////////////////////////////////////////////////////////
// Switch Statements (Value Type)
@@ -370,29 +338,28 @@ class LearnHaxe3{
*/
var my_dog_name = "fido";
var favorite_thing = "";
- switch(my_dog_name){
+ switch(my_dog_name) {
case "fido" : favorite_thing = "bone";
case "rex" : favorite_thing = "shoe";
case "spot" : favorite_thing = "tennis ball";
default : favorite_thing = "some unknown treat";
- // case _ : favorite_thing = "some unknown treat"; // same as default
+ // same as default:
+ // case _ : favorite_thing = "some unknown treat";
}
- // The "_" case above is a "wildcard" value
- // that will match anything.
+ // The "_" case above is a "wildcard" value that will match anything.
trace("My dog's name is " + my_dog_name
+ ", and his favorite thing is a: "
+ favorite_thing);
+
//////////////////////////////////////////////////////////////////
// Expression Statements
//////////////////////////////////////////////////////////////////
trace("***EXPRESSION STATEMENTS***");
- /*
- Haxe control statements are very powerful because every statement
- is also an expression, consider:
- */
+ // Haxe control statements are very powerful because every statement
+ // is also an expression, consider:
// if statements
var k = if (true) 10 else 20;
@@ -410,6 +377,7 @@ class LearnHaxe3{
+ ", and his other favorite thing is a: "
+ other_favorite_thing);
+
//////////////////////////////////////////////////////////////////
// Converting Value Types
//////////////////////////////////////////////////////////////////
@@ -418,14 +386,14 @@ class LearnHaxe3{
// You can convert strings to ints fairly easily.
// string to integer
- Std.parseInt("0"); // returns 0
- Std.parseFloat("0.4"); // returns 0.4;
+ Std.parseInt("0"); // returns 0
+ Std.parseFloat("0.4"); // returns 0.4
// integer to string
- Std.string(0); // returns "0";
+ Std.string(0); // returns "0"
// concatenation with strings will auto-convert to string.
- 0 + ""; // returns "0";
- true + ""; // returns "true";
+ 0 + ""; // returns "0"
+ true + ""; // returns "true"
// See documentation for parsing in Std for more details.
@@ -434,14 +402,13 @@ class LearnHaxe3{
//////////////////////////////////////////////////////////////////
/*
-
As mentioned before, Haxe is a statically typed language. All in
all, static typing is a wonderful thing. It enables
precise autocompletions, and can be used to thoroughly check the
correctness of a program. Plus, the Haxe compiler is super fast.
- *HOWEVER*, there are times when you just wish the compiler would let
- something slide, and not throw a type error in a given case.
+ *HOWEVER*, there are times when you just wish the compiler would
+ let something slide, and not throw a type error in a given case.
To do this, Haxe has two separate keywords. The first is the
"Dynamic" type:
@@ -456,11 +423,10 @@ class LearnHaxe3{
The other more extreme option is the "untyped" keyword:
*/
-
- untyped {
- var x:Int = 'foo'; // this can't be right!
- var y:String = 4; // madness!
- }
+ untyped {
+ var x:Int = 'foo'; // This can't be right!
+ var y:String = 4; // Madness!
+ }
/*
The untyped keyword operates on entire *blocks* of code, skipping
@@ -474,74 +440,66 @@ class LearnHaxe3{
of the type models work should you resort to "Dynamic" or "untyped".
*/
+
//////////////////////////////////////////////////////////////////
// Basic Object Oriented Programming
//////////////////////////////////////////////////////////////////
trace("***BASIC OBJECT ORIENTED PROGRAMMING***");
-
- /*
- Create an instance of FooClass. The classes for this are at the
- end of the file.
- */
+ // Create an instance of FooClass. The classes for this are at the
+ // end of the file.
var foo_instance = new FooClass(3);
// read the public variable normally
- trace(foo_instance.public_any + " is the value for foo_instance.public_any");
+ trace(foo_instance.public_any
+ + " is the value for foo_instance.public_any");
// we can read this variable
- trace(foo_instance.public_read + " is the value for foo_instance.public_read");
- // but not write it
- // foo_instance.public_read = 4; // this will throw an error if uncommented:
+ trace(foo_instance.public_read
+ + " is the value for foo_instance.public_read");
+ // but not write it; this will throw an error if uncommented:
+ // foo_instance.public_read = 4;
// trace(foo_instance.public_write); // as will this.
- // calls the toString method:
+ // Calls the toString method:
trace(foo_instance + " is the value for foo_instance");
// same thing:
- trace(foo_instance.toString() + " is the value for foo_instance.toString()");
-
+ trace(foo_instance.toString()
+ + " is the value for foo_instance.toString()");
- /*
- The foo_instance has the "FooClass" type, while acceptBarInstance
- has the BarClass type. However, since FooClass extends BarClass, it
- is accepted.
- */
+ // The foo_instance has the "FooClass" type, while acceptBarInstance
+ // has the BarClass type. However, since FooClass extends BarClass, it
+ // is accepted.
BarClass.acceptBarInstance(foo_instance);
- /*
- The classes below have some more advanced examples, the "example()"
- method will just run them here.
- */
+ // The classes below have some more advanced examples, the "example()"
+ // method will just run them here.
SimpleEnumTest.example();
ComplexEnumTest.example();
TypedefsAndStructuralTypes.example();
UsingExample.example();
-
}
-
}
-/*
- This is the "child class" of the main LearnHaxe3 Class
- */
-class FooClass extends BarClass implements BarInterface{
+// This is the "child class" of the main LearnHaxe3 Class.
+class FooClass extends BarClass implements BarInterface {
public var public_any:Int; // public variables are accessible anywhere
public var public_read (default, null): Int; // enable only public read
public var public_write (null, default): Int; // or only public write
- public var property (get, set): Int; // use this style to enable getters/setters
+ // Use this style to enable getters/setters:
+ public var property (get, set): Int;
// private variables are not available outside the class.
// see @:allow for ways around this.
var _private:Int; // variables are private if they are not marked public
// a public constructor
- public function new(arg:Int){
+ public function new(arg:Int) {
// call the constructor of the parent object, since we extended BarClass:
super();
this.public_any = 0;
this._private = arg;
-
}
// getter for _private
@@ -555,47 +513,40 @@ class FooClass extends BarClass implements BarInterface{
return val;
}
- // special function that is called whenever an instance is cast to a string.
- public function toString(){
+ // Special function that is called whenever an instance is cast to a string.
+ public function toString() {
return _private + " with toString() method!";
}
// this class needs to have this function defined, since it implements
// the BarInterface interface.
- public function baseFunction(x: Int) : String{
+ public function baseFunction(x: Int) : String {
// convert the int to string automatically
return x + " was passed into baseFunction!";
}
}
-/*
- A simple class to extend
-*/
+// A simple class to extend.
class BarClass {
var base_variable:Int;
- public function new(){
+ public function new() {
base_variable = 4;
}
- public static function acceptBarInstance(b:BarClass){
- }
+ public static function acceptBarInstance(b:BarClass) {}
}
-/*
- A simple interface to implement
-*/
-interface BarInterface{
+// A simple interface to implement
+interface BarInterface {
public function baseFunction(x:Int):String;
}
+
//////////////////////////////////////////////////////////////////
// Enums and Switch Statements
//////////////////////////////////////////////////////////////////
-/*
- Enums in Haxe are very powerful. In their simplest form, enums
- are a type with a limited number of states:
- */
-
+// Enums in Haxe are very powerful. In their simplest form, enums
+// are a type with a limited number of states:
enum SimpleEnum {
Foo;
Bar;
@@ -603,12 +554,12 @@ enum SimpleEnum {
}
// Here's a class that uses it:
-
-class SimpleEnumTest{
- public static function example(){
- var e_explicit:SimpleEnum = SimpleEnum.Foo; // you can specify the "full" name
+class SimpleEnumTest {
+ public static function example() {
+ // You can specify the "full" name,
+ var e_explicit:SimpleEnum = SimpleEnum.Foo;
var e = Foo; // but inference will work as well.
- switch(e){
+ switch(e) {
case Foo: trace("e was Foo");
case Bar: trace("e was Bar");
case Baz: trace("e was Baz"); // comment this line to throw an error.
@@ -621,18 +572,16 @@ class SimpleEnumTest{
You can also specify a default for enum switches as well:
*/
- switch(e){
+ switch(e) {
case Foo: trace("e was Foo again");
default : trace("default works here too");
}
}
}
-/*
- Enums go much further than simple states, we can also enumerate
- *constructors*, but we'll need a more complex enum example
- */
-enum ComplexEnum{
+// Enums go much further than simple states, we can also enumerate
+// *constructors*, but we'll need a more complex enum example.
+enum ComplexEnum {
IntEnum(i:Int);
MultiEnum(i:Int, j:String, k:Float);
SimpleEnumEnum(s:SimpleEnum);
@@ -641,14 +590,12 @@ enum ComplexEnum{
// Note: The enum above can include *other* enums as well, including itself!
// Note: This is what's called *Algebraic data type* in some other languages.
-class ComplexEnumTest{
- public static function example(){
+class ComplexEnumTest {
+ public static function example() {
var e1:ComplexEnum = IntEnum(4); // specifying the enum parameter
- /*
- Now we can switch on the enum, as well as extract any parameters
- it might of had.
- */
- switch(e1){
+ // Now we can switch on the enum, as well as extract any parameters
+ // it might of had.
+ switch(e1) {
case IntEnum(x) : trace('$x was the parameter passed to e1');
default: trace("Shouldn't be printed");
}
@@ -662,34 +609,28 @@ class ComplexEnumTest{
// enums all the way down
var e3 = ComplexEnumEnum(ComplexEnumEnum(MultiEnum(4, 'hi', 4.3)));
- switch(e3){
- // You can look for certain nested enums by specifying them explicitly:
+ switch(e3) {
+ // You can look for certain nested enums by specifying them
+ // explicitly:
case ComplexEnumEnum(ComplexEnumEnum(MultiEnum(i,j,k))) : {
trace('$i, $j, and $k were passed into this nested monster');
}
default: trace("Shouldn't be printed");
}
- /*
- Check out "generalized algebraic data types" (GADT) for more details
- on why these are so great.
- */
+ // Check out "generalized algebraic data types" (GADT) for more details
+ // on why these are so great.
}
}
class TypedefsAndStructuralTypes {
- public static function example(){
- /*
- Here we're going to use typedef types, instead of base types.
- At the top we've declared the type "FooString" to mean a "String" type.
- */
+ public static function example() {
+ // Here we're going to use typedef types, instead of base types.
+ // At the top we've declared the type "FooString" to mean a "String" type.
var t1:FooString = "some string";
- /*
- We can use typedefs for "structural types" as well. These types are
- defined by their field structure, not by class inheritance. Here's
- an anonymous object with a String field named "foo":
- */
-
+ // We can use typedefs for "structural types" as well. These types are
+ // defined by their field structure, not by class inheritance. Here's
+ // an anonymous object with a String field named "foo":
var anon_obj = { foo: 'hi' };
/*
@@ -699,8 +640,7 @@ class TypedefsAndStructuralTypes {
that structure, we can use it anywhere that a "FooObject" type is
expected.
*/
-
- var f = function(fo:FooObject){
+ var f = function(fo:FooObject) {
trace('$fo was passed in to this function');
}
f(anon_obj); // call the FooObject signature function with anon_obj.
@@ -712,9 +652,7 @@ class TypedefsAndStructuralTypes {
?optionalString: String,
requiredInt: Int
}
- */
- /*
Typedefs work well with conditional compilation. For instance,
we could have included this at the top of the file:
@@ -728,15 +666,14 @@ class TypedefsAndStructuralTypes {
typedef Surface = java.awt.geom.GeneralPath;
#end
- That would give us a single "Surface" type to work with across
- all of those platforms.
+ That would give us a single "Surface" type to work with across
+ all of those platforms.
*/
}
}
class UsingExample {
public static function example() {
-
/*
The "using" import keyword is a special type of class import that
alters the behavior of any static methods in the class.