nobu	2017-01-01 17:22:02 +0900 (Sun, 01 Jan 2017)

  New Revision: 57243

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57243

  Log:
    passed block should keep the lambda-ness

  Modified files:
    trunk/test/-ext-/iter/test_yield_block.rb
Index: test/-ext-/iter/test_yield_block.rb
===================================================================
--- test/-ext-/iter/test_yield_block.rb	(revision 57242)
+++ test/-ext-/iter/test_yield_block.rb	(revision 57243)
@@ -12,6 +12,12 @@ class TestIter::YieldBlock < Test::Unit: https://github.com/ruby/ruby/blob/trunk/test/-ext-/iter/test_yield_block.rb#L12
     def test(arg, &block)
       block.call(arg) {|blockarg| @blockarg = blockarg}
     end
+    def call_proc(&block)
+      block.call {}
+    end
+    def call_lambda(&block)
+      block.call &->{}
+    end
   end
 
   def test_yield_block
@@ -19,4 +25,10 @@ class TestIter::YieldBlock < Test::Unit: https://github.com/ruby/ruby/blob/trunk/test/-ext-/iter/test_yield_block.rb#L25
     a.yield_block(:test, "foo") {|x, &b| assert_kind_of(Proc, b); b.call(x)}
     assert_equal("foo", a.blockarg)
   end
+
+  def test_yield_lambda
+    a = YieldTest.new
+    assert_not_predicate a.yield_block(:call_proc) {|&b| b}, :lambda?
+    assert_predicate a.yield_block(:call_lambda) {|&b| b}, :lambda?
+  end
 end

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