diff options
Diffstat (limited to 'vm.c')
-rw-r--r-- | vm.c | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -2357,6 +2357,7 @@ core_hash_merge_kwd(int argc, VALUE *argv) hash = argv[0]; kw = argv[argc-1]; kw = rb_convert_type(kw, T_HASH, "Hash", "to_hash"); + if (argc < 2) hash = kw; rb_hash_foreach(kw, argc < 2 ? kwcheck_i : kwmerge_i, hash); return hash; } |