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Languages & runtimes · #haxe
Haxe macros generate zero-overhead, type-safe JSON encoders and decoders at compile time, eliminating runtime reflection overhead.
Use Haxe's #if directives to keep platform-specific code out of the wrong target's build — with a worked Storage example and the pitfalls to watch.
An architecture note on using Haxe compile-time macros as the smallest design for rules that must never be bypassed at runtime — covering trust boundaries, operational checks, and when to replace macros with external generators.
Haxe 4’s null safety turns every potential null dereference into a compiler error. Learn how to enable it, how the compiler analyzes your code, and what trade‑offs you’ll face when migrating an existing codebase.
Learn how Haxe’s dead‑code elimination flag trims output size, the assumptions behind it, and how to verify that only the needed code remains.
Learn how to diagnose and fix Haxe Dead Code Elimination (DCE) failures. This guide covers compiler flags, reflection leaks, macro interference, and how to verify binary reduction.
Use Haxe’s @:enum to turn enums into plain integers, boosting performance across JavaScript and native targets. Learn how to write, compile, and benchmark a state machine with this feature, and understand its trade‑offs.
Learn how to write a Haxe macro that replaces a function call with its body during compilation, eliminating runtime overhead and producing cleaner JavaScript output.
Use Haxe's -D flag to toggle code paths at compile time. This guide covers guarding code with #if defined(...), passing defines in build.hxml or CLI, forcing clean rebuilds, and verifying the output on JavaScript, C++, and Neko targets.