dislose mrb_hash_keys; close #304

include/mruby/hash.h

@@ -27,6 +27,7 @@ void mrb_hash_set(mrb_state *mrb, mrb_value hash, mrb_value key, mrb_value val);
 mrb_value mrb_hash_get(mrb_state *mrb, mrb_value hash, mrb_value key);
 mrb_value mrb_hash_fetch(mrb_state *mrb, mrb_value hash, mrb_value key, mrb_value def);
 mrb_value mrb_hash_delete_key(mrb_state *mrb, mrb_value hash, mrb_value key);
+mrb_value mrb_hash_keys(mrb_state *mrb, mrb_value hash);
 mrb_value mrb_hash(mrb_state *mrb, mrb_value obj);
 mrb_value mrb_check_hash_type(mrb_state *mrb, mrb_value self);
 

src/hash.c

@@ -965,7 +965,7 @@ mrb_hash_to_hash(mrb_state *mrb, mrb_value hash)
  *
  */
 
-static mrb_value
+mrb_value
 mrb_hash_keys(mrb_state *mrb, mrb_value hash)
 {
   khash_t(ht) *h = RHASH_TBL(hash);