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Language Basics

Variables and type inference Explicit type annotations String interpolation Numeric types Boolean expressions Null values Array literals Map literals Anonymous structures Dynamic type

Control Flow

if expressions switch expressions Pattern matching switch for loops while loops do while loops break continue try catch throw

Functions

Function declarations Optional parameters Default parameters Rest arguments Anonymous functions Closures Function values Generic functions Inline functions Local functions

Classes & Objects

Class declaration Constructors Instance fields Static fields Properties Getters and setters Inheritance Method override Interfaces Abstract classes

Type System

Enums Enum parameters Typedef Anonymous types Structural typing Generics Type parameters constraints Abstract types @:forward abstract Null<T>

Collections & Iterators

Array map Array filter Array comprehension Map iteration StringMap IntMap ObjectMap Iterator protocol Iterable protocol Lambda helpers

Metaprogramming & Targets

Conditional compilation Compiler defines Metadata @:keep metadata @:native metadata Macros expression Build macros Target-specific code js.Syntax untyped escape hatch

Modules & Practical Haxe

Modules and imports Package declarations using static extensions Access modifiers final fields extern classes Resource embedding Sys.args FileSystem API Cross-target compilation

Haxe Complete Course / Modules & Practical Haxe

Sys.args

Learn Sys.args in Haxe through the exact construct, a dedicated example, a boundary case, and a mastery check.

12 min read • Advanced

Sys.args is an atomic Haxe lesson inside Modules & Practical Haxe. The example uses the specific syntax, command, API, instruction, or language rule named by this lesson.

Study the construct itself, then change one relevant input and predict the result before running it. That keeps this lesson focused on Sys.args rather than on generic Haxe syntax.

Topic-specific example

haxe-08-08.hx

haxe Try It Live

class Main { static function main(){ for(arg in Sys.args()) trace(arg); } }

Edge case / engineering note

Compile Sys.args for at least one target and watch for target-specific behavior where the feature crosses a platform boundary.

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

Sys.args Mastery Check →

Resource embedding