shithub: mc

ref: 4469bf2ece473f5e51cd549131f76f184705f75f
dir: /libstd/env.myr/

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use "extremum.use"
use "option.use"
use "sleq.use"

pkg std =
	extern var _environment	: byte[:][:]

	const getenv :	(name : byte[:] -> std.option(byte[:]))
;;

const getenv = {name
	var n
	for env in _environment
		n = min(name.len, env.len)
		if sleq(name, env[:n]) && sleq(env[n:n+1], "=")
			-> `Some env[n+1:]
		;;
	;;
	-> `None
}