From a9770bac6375c9d4ff8ba8bb1842841aec7c59e3 Mon Sep 17 00:00:00 2001
From: marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 10 Dec 2017 22:36:28 +0000
Subject: Add case equality arity to Enumerable#all?, any?, none? and one?, and
 specialized Array#any? and Hash#any? Based on patch by D.E. Akers [#11286]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61098 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 hash.c | 42 +++++++++++++++++++++++++++++++-----------
 1 file changed, 31 insertions(+), 11 deletions(-)

(limited to 'hash.c')

diff --git a/hash.c b/hash.c
index cd1cc1437f..627f207d8e 100644
--- a/hash.c
+++ b/hash.c
@@ -2983,6 +2983,17 @@ any_p_i_fast(VALUE key, VALUE value, VALUE arg)
     return ST_CONTINUE;
 }
 
+static int
+any_p_i_pattern(VALUE key, VALUE value, VALUE arg)
+{
+    VALUE ret = rb_funcall(((VALUE *)arg)[1], idEqq, 1, rb_assoc_new(key, value));
+    if (RTEST(ret)) {
+	*(VALUE *)arg = Qtrue;
+	return ST_STOP;
+    }
+    return ST_CONTINUE;
+}
+
 /*
  *  call-seq:
  *     hsh.any? [{ |(key, value)| block }]   -> true or false
@@ -2991,20 +3002,29 @@ any_p_i_fast(VALUE key, VALUE value, VALUE arg)
  */
 
 static VALUE
-rb_hash_any_p(VALUE hash)
+rb_hash_any_p(int argc, VALUE *argv, VALUE hash)
 {
-    VALUE ret = Qfalse;
+    VALUE args[2];
+    args[0] = Qfalse;
 
+    rb_check_arity(argc, 0, 1);
     if (RHASH_EMPTY_P(hash)) return Qfalse;
-    if (!rb_block_given_p()) {
-	/* yields pairs, never false */
-	return Qtrue;
+    if (argc) {
+	args[1] = argv[0];
+
+	rb_hash_foreach(hash, any_p_i_pattern, (VALUE)args);
     }
-    if (rb_block_arity() > 1)
-	rb_hash_foreach(hash, any_p_i_fast, (VALUE)&ret);
-    else
-	rb_hash_foreach(hash, any_p_i, (VALUE)&ret);
-    return ret;
+    else {
+	if (!rb_block_given_p()) {
+	    /* yields pairs, never false */
+	    return Qtrue;
+	}
+	if (rb_block_arity() > 1)
+	    rb_hash_foreach(hash, any_p_i_fast, (VALUE)args);
+	else
+	    rb_hash_foreach(hash, any_p_i, (VALUE)args);
+    }
+    return args[0];
 }
 
 /*
@@ -4663,7 +4683,7 @@ Init_Hash(void)
     rb_define_method(rb_cHash, "compare_by_identity", rb_hash_compare_by_id, 0);
     rb_define_method(rb_cHash, "compare_by_identity?", rb_hash_compare_by_id_p, 0);
 
-    rb_define_method(rb_cHash, "any?", rb_hash_any_p, 0);
+    rb_define_method(rb_cHash, "any?", rb_hash_any_p, -1);
     rb_define_method(rb_cHash, "dig", rb_hash_dig, -1);
 
     rb_define_method(rb_cHash, "<=", rb_hash_le, 1);
-- 
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