shithub: mc

ref: 09a34baac6757c7a4c33e3e3c50054acbb1b70bb
dir: /lib/std/diriter.myr/

View raw version 
use "alloc"
use "dir"
use "option"

pkg std =
	type diriter = dir#
	impl iterable diriter -> byte[:]

	const byentry	: (d : dir# -> diriter)
;;

const byentry = {d
	-> (d : diriter)
}

impl iterable diriter -> byte[:] =
	__iternext__ = {itp, valp
:nextfile
		match dirread((itp# : dir#))
		| `Some ".":	goto nextfile
		| `Some "..":	goto nextfile
		| `Some ent:
			valp# = ent
			-> true
		| `None:
			-> false
		;;
	}

	__iterfin__ = {itp, valp
		std.slfree(valp#)
	}
;;