From 384fda18b885872aacf225ac6ad7805fb101e497 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 13 Sep 2018 11:10:24 +0000
Subject: warn unused blocks with Enumerable#all? any? one? none?

[Fix GH-1953]

From: Koji Onishi <fursich0@gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64733 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'array.c')

diff --git a/array.c b/array.c
index 3c84a7b0b8..813605226f 100644
--- a/array.c
+++ b/array.c
@@ -5809,6 +5809,9 @@ rb_ary_any_p(int argc, VALUE *argv, VALUE ary)
     rb_check_arity(argc, 0, 1);
     if (!len) return Qfalse;
     if (argc) {
+        if (rb_block_given_p()) {
+            rb_warn("given block not used");
+        }
 	for (i = 0; i < RARRAY_LEN(ary); ++i) {
 	    if (RTEST(rb_funcall(argv[0], idEqq, 1, RARRAY_AREF(ary, i)))) return Qtrue;
 	}
-- 
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