From 1d5e19f624bc09d66d80ec7bc89db9dbc895b477 Mon Sep 17 00:00:00 2001 From: matz Date: Tue, 4 Feb 2003 07:27:43 +0000 Subject: * array.c (rb_ary_equal): a == b is true when b is non T_ARRAY object, if b has "to_ary" and b == a. * hash.c (rb_hash_equal): a == b is true when b is non T_HASH object, if b has "to_hash" and b == a. * string.c (rb_str_equal): a == b is true when b is non T_STRING object, if b has "to_str" and b == a. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3442 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- hash.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'hash.c') diff --git a/hash.c b/hash.c index d52ef7a..81b882e 100644 --- a/hash.c +++ b/hash.c @@ -866,7 +866,12 @@ rb_hash_equal(hash1, hash2) struct equal_data data; if (hash1 == hash2) return Qtrue; - if (TYPE(hash2) != T_HASH) return Qfalse; + if (TYPE(hash2) != T_HASH) { + if (!rb_respond_to(hash2, rb_intern("to_hash"))) { + return Qfalse; + } + return rb_equal(hash2, hash1); + } if (RHASH(hash1)->tbl->num_entries != RHASH(hash2)->tbl->num_entries) return Qfalse; if (!(rb_equal(RHASH(hash1)->ifnone, RHASH(hash2)->ifnone) && -- cgit v1.1