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by type_enthusiast
1956 days ago
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> A Haxe macro is just regular Haxe code with the same syntax and same standard library, except it runs at compile time, and it can operate on the AST of your program. They're like shaders, but for your compiler. Scala macros are the same way (but with an obtuse API until Scala 3, which should be out soon after all the syntax bikeshedding is done). It's also one of the things I love about Scala, though I'd understand why others might disagree. Metaprogramming is fraught; even moreso when it's plain that it's a program that runs at compile time (which is also the case with C++ templates, to fewer complaints per-capita for reasons I don't understand) |
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