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require_relative '../../spec_helper'
require_relative 'shared/select'
describe "Array#filter" do
it_behaves_like :array_select, :filter
end
describe "Array#filter!" do
it "returns nil if no changes were made in the array" do
[1, 2, 3].filter! { true }.should be_nil
end
it_behaves_like :keep_if, :filter!
end
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