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* hash.c (hash_i): make Hash#hash order insensitive.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16880 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-06-07 16:19:47 +00:00
parent aaaab31d8b
commit cd6414267f
3 changed files with 15 additions and 5 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Sun Jun 8 01:15:11 2008 Tanaka Akira <akr@fsij.org>
* hash.c (hash_i): make Hash#hash order insensitive.
(rb_hash_dup): use DUPSETUP.
Sat Jun 7 23:47:35 2008 Akinori MUSHA <knu@iDaemons.org>
* ext/zlib/zlib.c (rb_deflate_initialize, Init_zlib): Fix up

11
hash.c
View file

@ -231,14 +231,16 @@ rb_hash_new(void)
VALUE
rb_hash_dup(VALUE hash)
{
VALUE ret = hash_alloc(RBASIC(hash)->klass);
NEWOBJ(ret, struct RHash);
DUPSETUP(ret, hash);
if (!RHASH_EMPTY_P(hash))
RHASH(ret)->ntbl = st_copy(RHASH(hash)->ntbl);
ret->ntbl = st_copy(RHASH(hash)->ntbl);
if (FL_TEST(hash, HASH_PROC_DEFAULT)) {
FL_SET(ret, HASH_PROC_DEFAULT);
}
RHASH(ret)->ifnone = RHASH(hash)->ifnone;
return ret;
ret->ifnone = RHASH(hash)->ifnone;
return (VALUE)ret;
}
static void
@ -1470,7 +1472,6 @@ hash_i(VALUE key, VALUE val, int *hval)
{
if (key == Qundef) return ST_CONTINUE;
*hval ^= rb_hash(key);
*hval *= 137;
*hval ^= rb_hash(val);
return ST_CONTINUE;
}

4
test/ruby/test_hash.rb
View file

@ -830,4 +830,8 @@ class TestHash < Test::Unit::TestCase
#assert_equal("bar", h[a])
assert_nil(h["foo"])
end
def test_hash_hash
assert_equal({0=>2,11=>1}.hash, {11=>1,0=>2}.hash)
end
end