shithub: mc

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copy bytes to a dest buffer.

--- a/lib/std/test/ipparse.myr

+++ b/lib/std/test/ipparse.myr

@@ -60,12 +60,13 @@

 }

 const eq = {ip, expected

+	var dst : byte[16]

 	var parsed

 	var p, e

 	parsed = std.ipparse(ip)

-	p = ipbytes(parsed)

-	e = ipbytes(expected)

+	p = ipbytes(dst[:], parsed)

+	e = ipbytes(dst[:], expected)

 	if !std.eq(p, e)

 		std.fput(1, "misparsed ip {}\n", ip)

 		std.put("parsed: ")

@@ -81,14 +82,19 @@

 	;;

 }

-const ipbytes = {ipopt

+const ipbytes = {dst, ipopt

 	match ipopt

+	| `std.None:

+		-> [][:]

 	| `std.Some ip:

 		match ip

-		| `std.Ipv4 b:	-> b[:]

-		| `std.Ipv6 b:	-> b[:]

+		| `std.Ipv4 b:

+			std.slcp(dst[:4], b[:])

+			-> dst[:4]

+		| `std.Ipv6 b:

+			std.slcp(dst[:16], b[:])

+			-> dst[:4]

 		;;

-	| `std.None:	-> [][:]

 	;;

 	-> [][:]

 }