all: C++ compiler support

vlib/builtin/option.v

@@ -4,21 +4,21 @@
 module builtin
 /*
 struct Option2<T> {
-	data T
-	error string
-	ecode int
 	ok bool
 	is_none bool
+	error string
+	ecode int
+	data T
 }
 */
 
 
 struct Option {
-	data    [400]byte
-	error   string
-	ecode   int
 	ok      bool
 	is_none bool
+	error   string
+	ecode   int
+	data    [400]byte
 }
 
 pub fn (o Option) str() string {
@@ -46,19 +46,24 @@ fn opt_ok(data voidptr, size int) Option {
 // used internally when returning `none`
 fn opt_none() Option {
 	return Option{
+		ok: false
 		is_none: true
 	}
 }
 
 pub fn error(s string) Option {
 	return Option{
+		ok: false
+		is_none: false
 		error: s
 	}
 }
 
 pub fn error_with_code(s string, code int) Option {
 	return Option{
+		ok: false
+		is_none: false
 		error: s
 		ecode: code
 	}
-}
+}