Functional\Tests\ComposeTest::testPassNoFunctions PHP Method

    public function testPassNoFunctions()
    {
        $input = range(0, 10);
        $composed = compose();
        $composed_values = array_map(function ($x) use($composed) {
            return $composed($x);
        }, $input);
        $this->assertEquals($composed_values, $input);
    }