v0.2.0

ADDED:
* num-nets subcommand' this is MUCH much faster than actually splitting
  if you're trying to figure out how many times a given subnet fits into
  a network.

cmd/subnetter/funcs.go

@@ -236,7 +236,9 @@ func printNets(orig *netip.Prefix, origNet *net.IPNet, nets []*netip.Prefix, rem
 
 	if args == nil {
 		args = &common{
-			Separator: "\n",
+			commonBase: commonBase{
+				Separator: "\n",
+			},
 		}
 	}
 	fmts = sectFmts[args.Plain]