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* hash.c (rb_hash_each_pair): performance improvement by using

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rb_block_arity().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41984 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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glass 2013-07-15 04:38:50 +00:00
parent f344841e30
commit b9d2960337
2 changed files with 16 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Jul 15 13:36:02 2013 Masaki Matsushita <glass.saga@gmail.com>
* hash.c (rb_hash_each_pair): performance improvement by using
rb_block_arity().
Mon Jul 15 13:15:37 2013 Masaki Matsushita <glass.saga@gmail.com>
* proc.c (rb_block_arity): create internal API rb_block_arity().

12
hash.c
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@ -1472,6 +1472,13 @@ each_pair_i(VALUE key, VALUE value)
return ST_CONTINUE;
}
static int
each_pair_i_fast(VALUE key, VALUE value)
{
rb_yield_values(2, key, value);
return ST_CONTINUE;
}
/*
* call-seq:
* hsh.each {| key, value | block } -> hsh
@ -1498,7 +1505,10 @@ static VALUE
rb_hash_each_pair(VALUE hash)
{
RETURN_SIZED_ENUMERATOR(hash, 0, 0, hash_enum_size);
rb_hash_foreach(hash, each_pair_i, 0);
if (rb_block_arity() > 1)
rb_hash_foreach(hash, each_pair_i_fast, 0);
else
rb_hash_foreach(hash, each_pair_i, 0);
return hash;
}