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array.c: yield blockarg in collect

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* array.c (rb_ary_collect): yield in block argument semantics
  always to splat array elements to lambda, for the backward
  compatibility.  [ruby-core:86362] [Bug #14639]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63030 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-03-29 00:05:45 +00:00
parent c1718e988e
commit e42f4ae773
2 changed files with 3 additions and 1 deletions
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2
array.c
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@ -2738,7 +2738,7 @@ rb_ary_collect(VALUE ary)
RETURN_SIZED_ENUMERATOR(ary, 0, 0, ary_enum_length);
collect = rb_ary_new2(RARRAY_LEN(ary));
for (i = 0; i < RARRAY_LEN(ary); i++) {
rb_ary_push(collect, rb_yield(RARRAY_AREF(ary, i)));
rb_ary_push(collect, rb_yield_force_blockarg(RARRAY_AREF(ary, i)));
}
return collect;
}

2
test/ruby/test_array.rb
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@ -535,6 +535,8 @@ class TestArray < Test::Unit::TestCase
# Enumerable#collect without block returns an Enumerator.
#assert_equal([1, 2, 3], @cls[1, 2, 3].collect)
assert_kind_of Enumerator, @cls[1, 2, 3].collect
assert_equal([[1, 2, 3]], [[1, 2, 3]].collect(&->(a, b, c) {[a, b, c]}))
end
# also update map!