Andreas Grois soulsource

soulsource / enum_map.rs

Last active November 6, 2023 21:26

Draft: tiny macro-by-example alternative to enum_map. Not as fast, but way simpler. Enum needs Eq and Sequence from enum_iterator.

	use enum_iterator::Sequence;
	macro_rules! enum_map {
	($vis:vis $n:ident, $e:ty, $v:ty) => {
	$vis struct $n {
	elements : [$v; <$e>::CARDINALITY],
	}

	impl $n{
	$vis fn new<F>(initializer : F) -> Self where F : Fn(&$e)->$v {
	Self {