ref: f069b33395af1e4a5213b5f5110d583c0af5be7b
dir: /lib/std/chomp.myr/
use "hasprefix"
pkg std =
	const chomp	: (str : byte[:]#, pfx : byte[:] -> bool)
;;
const chomp = {str, pfx
	if std.hasprefix(str#, pfx)
		str# = str#[pfx.len:]
		-> true
	else
		-> false
	;;
}