https://git.ruby-lang.org/ruby.git/commit/?id=68d028578a

From 68d028578a5975fe6c44d29c502615ff9af72927 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@j...>
Date: Fri, 5 Mar 2021 12:47:00 -0800
Subject: Undef Enumerator::Chain#{feed,next,next_values,peek,peek_values}

Previously these methods were defined but raised TypeError, which
seems worse.
---
 enumerator.c                 | 5 +++++
 test/ruby/test_enumerator.rb | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/enumerator.c b/enumerator.c
index 45620f3..a43434d 100644
--- a/enumerator.c
+++ b/enumerator.c
@@ -4200,6 +4200,11 @@ InitVM_Enumerator(void) https://github.com/ruby/ruby/blob/trunk/enumerator.c#L4200
     rb_define_method(rb_cEnumChain, "size", enum_chain_size, 0);
     rb_define_method(rb_cEnumChain, "rewind", enum_chain_rewind, 0);
     rb_define_method(rb_cEnumChain, "inspect", enum_chain_inspect, 0);
+    rb_undef_method(rb_cEnumChain, "feed");
+    rb_undef_method(rb_cEnumChain, "next");
+    rb_undef_method(rb_cEnumChain, "next_values");
+    rb_undef_method(rb_cEnumChain, "peek");
+    rb_undef_method(rb_cEnumChain, "peek_values");
 
     /* ArithmeticSequence */
     rb_cArithSeq = rb_define_class_under(rb_cEnumerator, "ArithmeticSequence", rb_cEnumerator);
diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb
index 4e698fc..4342c10 100644
--- a/test/ruby/test_enumerator.rb
+++ b/test/ruby/test_enumerator.rb
@@ -832,6 +832,12 @@ class TestEnumerator < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_enumerator.rb#L832
     assert_equal(33, chain.next)
   end
 
+  def test_chain_undef_methods
+    chain = [1].to_enum + [2].to_enum
+    meths = (chain.methods & [:feed, :next, :next_values, :peek, :peek_values])
+    assert_equal(0, meths.size)
+  end
+
   def test_produce
     assert_raise(ArgumentError) { Enumerator.produce }
 
-- 
cgit v1.1


--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/