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| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-05 04:48:19 +0000 |
|---|---|---|
| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-05 04:48:19 +0000 |
| commit | f98b91376be816181ce6951128db22b08387878d (patch) | |
| tree | a4e596d906225086566efe79e792a3f204a16b57 /internal.h | |
| parent | 5ca154587b224b88f1c04de2a3158628b44c619d (diff) | |
| download | ruby-f98b91376be816181ce6951128db22b08387878d.tar.gz | |
add rb_hash_new_with_size()
Sometimes, size of a hash can be calcluated a priori. By providing
such info to the constructor we can avoid unnecessary internal re-
allocations. This can boost for instance creation of hash literals.
[Bug #13861]
Signed-off-by: Urabe, Shyouhei <shyouhei@ruby-lang.org>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'internal.h')
| -rw-r--r-- | internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/internal.h b/internal.h index 6b13725caf..5f85909461 100644 --- a/internal.h +++ b/internal.h @@ -1242,6 +1242,7 @@ void ruby_sized_xfree(void *x, size_t size); /* hash.c */ struct st_table *rb_hash_tbl_raw(VALUE hash); +VALUE rb_hash_new_with_size(st_index_t size); VALUE rb_hash_has_key(VALUE hash, VALUE key); VALUE rb_hash_default_value(VALUE hash, VALUE key); VALUE rb_hash_set_default_proc(VALUE hash, VALUE proc); |