v fmt: process .v files from a module too

vlib/os/cmdline/cmdline.v

@@ -0,0 +1,62 @@
+module cmdline
+
+pub fn many_values(args []string, optname string) []string {
+	mut flags := []string
+	for ci, cv in args {
+		if cv == optname {
+			if ci + 1 < args.len {
+				flags << args[ci + 1]
+			}
+		}
+	}
+	return flags
+}
+
+pub fn option(args []string, param string, def string) string {
+	mut found := false
+	for arg in args {
+		if found {
+			return arg
+		}
+		else if param == arg {
+			found = true
+		}
+	}
+	return def
+}
+
+pub fn before(args []string, what []string) []string {
+	mut found := false
+	mut args_before := []string
+	for a in args {
+		if a in what {
+			found = true
+			break
+		}
+		args_before << a
+	}
+	return args_before
+}
+
+pub fn after(args []string, what []string) []string {
+	mut found := false
+	mut args_after := []string
+	for a in args {
+		if a in what {
+			found = true
+			continue
+		}
+		if found {
+			args_after << a
+		}
+	}
+	return args_after
+}
+
+pub fn only_non_options(args []string) []string {
+	return args.filter(!it.starts_with('-'))
+}
+
+pub fn only_options(args []string) []string {
+	return args.filter(it.starts_with('-'))
+}