ref: 4ff322bbbc9b8c181b6f48b55c72f5482cec3c88
dir: /lib/escfmt/escurl.myr/
use std
pkg escfmt =
	type escurl = byte[:]
	const url	: (s : byte[:] -> escurl) 
;;
const __init__ = {
	var s = ("" : escurl)
	std.fmtinstall(std.typeof(s), urlfmt, [][:])
}
const url = {s
	-> (s : escurl)
}
const urlfmt = {sb, ap, args
	var s : byte[:]
	s = std.vanext(ap)
	for b in s
		match (b : char)
		| ':':	std.sbfmt(sb, "%{x}", b)
		| '/':	std.sbfmt(sb, "%{x}", b)
		| '?':	std.sbfmt(sb, "%{x}", b)
		| '#':	std.sbfmt(sb, "%{x}", b)
		| '[':	std.sbfmt(sb, "%{x}", b)
		| ']':	std.sbfmt(sb, "%{x}", b)
		| '@':	std.sbfmt(sb, "%{x}", b)
		| '!':	std.sbfmt(sb, "%{x}", b)
		| '$':	std.sbfmt(sb, "%{x}", b)
		| '&':	std.sbfmt(sb, "%{x}", b)
		| '\'':	std.sbfmt(sb, "%{x}", b)
		| '(':	std.sbfmt(sb, "%{x}", b)
		| ')':	std.sbfmt(sb, "%{x}", b)
		| '*':	std.sbfmt(sb, "%{x}", b)
		| '+':	std.sbfmt(sb, "%{x}", b)
		| ',':	std.sbfmt(sb, "%{x}", b)
		| ';':	std.sbfmt(sb, "%{x}", b)
		| '=':	std.sbfmt(sb, "%{x}", b)
		| '%':	std.sbfmt(sb, "%{x}", b)
		| c:
			if b >= 0x80
				std.sbfmt(sb, "%{x}", b)
			else
				std.sbfmt(sb, "{}", c)
			;;
		;;
	;;
}