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author | TSUYUSATO Kitsune <make.just.on@gmail.com> | 2021-10-25 12:13:44 +0900 |
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committer | GitHub <noreply@github.com> | 2021-10-25 12:13:44 +0900 |
commit | dfb47bbd17c3c2b8ce17dbafaf62df023b0224b2 (patch) | |
tree | f76585ae3d195837be9d929f96c396b6f627f0fd | |
parent | aa09c8dae0ac2901264f2882467fac3083b52f32 (diff) | |
download | ruby-dfb47bbd17c3c2b8ce17dbafaf62df023b0224b2.tar.gz |
Fix `Enumerable#each_cons` and `Enumerable#each_slice` to return a receiver
Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
-rw-r--r-- | enum.c | 12 | ||||
-rw-r--r-- | spec/ruby/core/enumerable/each_cons_spec.rb | 4 | ||||
-rw-r--r-- | spec/ruby/core/enumerable/each_slice_spec.rb | 4 | ||||
-rw-r--r-- | test/ruby/test_enum.rb | 4 |
4 files changed, 14 insertions, 10 deletions
@@ -2961,11 +2961,11 @@ enum_each_slice_size(VALUE obj, VALUE args, VALUE eobj) /* * call-seq: - * each_slice(n) { ... } -> nil + * each_slice(n) { ... } -> self * each_slice(n) -> enumerator * * Calls the block with each successive disjoint +n+-tuple of elements; - * returns +nil+: + * returns +self+: * * a = [] * (1..10).each_slice(3) {|tuple| a.push(tuple) } # => nil @@ -2997,7 +2997,7 @@ enum_each_slice(VALUE obj, VALUE n) ary = memo->v1; if (RARRAY_LEN(ary) > 0) rb_yield(ary); - return Qnil; + return obj; } static VALUE @@ -3040,11 +3040,11 @@ enum_each_cons_size(VALUE obj, VALUE args, VALUE eobj) /* * call-seq: - * each_cons(n) { ... } -> nil + * each_cons(n) { ... } -> self * each_cons(n) -> enumerator * * Calls the block with each successive overlapped +n+-tuple of elements; - * returns +nil+: + * returns +self+: * * a = [] * (1..5).each_cons(3) {|element| a.push(element) } # => nil @@ -3072,7 +3072,7 @@ enum_each_cons(VALUE obj, VALUE n) memo = MEMO_NEW(rb_ary_new2(size), dont_recycle_block_arg(arity), size); rb_block_call(obj, id_each, 0, 0, each_cons_i, (VALUE)memo); - return Qnil; + return obj; } static VALUE diff --git a/spec/ruby/core/enumerable/each_cons_spec.rb b/spec/ruby/core/enumerable/each_cons_spec.rb index 7d44f54f74..ba658203a2 100644 --- a/spec/ruby/core/enumerable/each_cons_spec.rb +++ b/spec/ruby/core/enumerable/each_cons_spec.rb @@ -10,7 +10,7 @@ describe "Enumerable#each_cons" do it "passes element groups to the block" do acc = [] - @enum.each_cons(3){|g| acc << g}.should be_nil + @enum.each_cons(3){|g| acc << g} acc.should == @in_threes end @@ -27,7 +27,7 @@ describe "Enumerable#each_cons" do it "tries to convert n to an Integer using #to_int" do acc = [] - @enum.each_cons(3.3){|g| acc << g}.should == nil + @enum.each_cons(3.3){|g| acc << g} acc.should == @in_threes obj = mock('to_int') diff --git a/spec/ruby/core/enumerable/each_slice_spec.rb b/spec/ruby/core/enumerable/each_slice_spec.rb index ab3b79c344..2ea89f5e72 100644 --- a/spec/ruby/core/enumerable/each_slice_spec.rb +++ b/spec/ruby/core/enumerable/each_slice_spec.rb @@ -10,7 +10,7 @@ describe "Enumerable#each_slice" do it "passes element groups to the block" do acc = [] - @enum.each_slice(3){|g| acc << g}.should be_nil + @enum.each_slice(3){|g| acc << g} acc.should == @sliced end @@ -27,7 +27,7 @@ describe "Enumerable#each_slice" do it "tries to convert n to an Integer using #to_int" do acc = [] - @enum.each_slice(3.3){|g| acc << g}.should == nil + @enum.each_slice(3.3){|g| acc << g} acc.should == @sliced obj = mock('to_int') diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb index 4674f984ff..702c332cd2 100644 --- a/test/ruby/test_enum.rb +++ b/test/ruby/test_enum.rb @@ -731,6 +731,8 @@ class TestEnumerable < Test::Unit::TestCase ary.clear (1..10).each_slice(11) {|a| ary << a} assert_equal([[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]], ary) + + assert_equal(1..10, (1..10).each_slice(3) { }) end def test_each_cons @@ -750,6 +752,8 @@ class TestEnumerable < Test::Unit::TestCase ary.clear (1..5).each_cons(6) {|a| ary << a} assert_empty(ary) + + assert_equal(1..5, (1..5).each_cons(3) { }) end def test_zip |