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Ruby 3.1: Enumerable#each_cons and each_slice to return a receiver #954

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Oct 8, 2022
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Ruby 3.1: Enumerable#each_cons and each_slice to return a receiver #954

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efe9324
Add spec for return value of Enumerable#each_cons when a block is given
ytjmt Oct 7, 2022
2a9c5d2
Add spec for return value of Enumerable#each_slice when a block is given
ytjmt Oct 7, 2022
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6 changes: 6 additions & 0 deletions core/enumerable/each_cons_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,12 @@
multi.each_cons(2).to_a.should == [[[1, 2], [3, 4, 5]], [[3, 4, 5], [6, 7, 8, 9]]]
end

ruby_version_is "3.1" do
it "returns self when a block is given" do
@enum.each_cons(3){}.should == @enum
end
end

describe "when no block is given" do
it "returns an enumerator" do
e = @enum.each_cons(3)
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6 changes: 6 additions & 0 deletions core/enumerable/each_slice_spec.rb
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Expand Up @@ -57,6 +57,12 @@
e.to_a.should == @sliced
end

ruby_version_is "3.1" do
it "returns self when a block is given" do
@enum.each_slice(3){}.should == @enum
end
end

it "gathers whole arrays as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
multi.each_slice(2).to_a.should == [[[1, 2], [3, 4, 5]], [[6, 7, 8, 9]]]
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