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authorglass <glass@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-10-10 12:06:01 +0000
committerglass <glass@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-10-10 12:06:01 +0000
commit026955e37517d07679ea8044d939400d6e9beaaf (patch)
tree0892965fb6152241df67902c60b6918a1f7cac13 /hash.c
parent4599d3efd7bfda591fd29e5647af2d5aa8be486c (diff)
* st.c (st_keys): define st_keys() for performance improvement of
Hash#keys and Array#uniq. * st.h: ditto. * hash.c (rb_hash_keys): use st_keys(). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43238 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r--hash.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/hash.c b/hash.c
index 83d1799..2cedeef 100644
--- a/hash.c
+++ b/hash.c
@@ -1663,13 +1663,6 @@ rb_hash_to_h(VALUE hash)
return hash;
}
-static int
-keys_i(VALUE key, VALUE value, VALUE ary)
-{
- rb_ary_push(ary, key);
- return ST_CONTINUE;
-}
-
/*
* call-seq:
* hsh.keys -> array
@@ -1685,12 +1678,10 @@ keys_i(VALUE key, VALUE value, VALUE ary)
VALUE
rb_hash_keys(VALUE hash)
{
- VALUE ary;
-
- ary = rb_ary_new_capa(RHASH_SIZE(hash));
- rb_hash_foreach(hash, keys_i, ary);
+ st_table *table = RHASH(hash)->ntbl;
- return ary;
+ if (!table) return rb_ary_new();
+ return st_keys(table);
}
static int