map: make .keys() pure

2019-09-25 05:56:10 +03:00 · 2019-09-25 05:56:10 +03:00 · ab52b453cb
parent 55d09d23b4
commit ab52b453cb
1 changed files with 1 additions and 1 deletions
--- a/vlib/builtin/map.v
+++ b/vlib/builtin/map.v
@ -167,7 +167,7 @@ fn preorder_keys(node &mapnode, keys mut []string, key_i int) int {
 	return i
 }

-pub fn (m mut map) keys() []string {
+pub fn (m &map) keys() []string {
 	mut keys := [''].repeat(m.size)
 	if isnil(m.root) {
 		return keys