public function testMappingAndFirst() { $transformed = Fp\transduce(Fp\compose(Fp\mapping(square_makker()), Fp\first(function ($x) { return $x > 6; })), Fp\single_result(), range(1, 6)); $this->assertEquals(9, $transformed); }
public function testItApplyTheCallableOnEachItem() { $transducer = Fp\filtering(is_even_makker()); $squared = Fp\transduce($transducer, Fp\appending(), range(1, 6)); $this->assertEquals([2, 4, 6], $squared); }
public function testItApplyTheCallableOnEachItem() { $transducer = Fp\mapping(square_makker()); $squared = Fp\transduce($transducer, Fp\appending(), range(1, 2)); $this->assertEquals([1, 4], $squared); }
public function testItEnumerateItems() { $transducer = Fp\enumerating(); $transformed = Fp\transduce($transducer, Fp\appending(), range(1, 3)); $this->assertEquals([[0, 1], [1, 2], [2, 3]], $transformed); }
public function testItReturnASingleValueForCollectionTransducer() { $transducer = Fp\filtering(is_even_makker()); $reduced = Fp\transduce($transducer, Fp\single_result(), range(3, 6)); $this->assertEquals(4, $reduced); }
public function testItApplyTheCallableOnEachItem() { $transducer = Fp\first(equal_three_makker()); $reduced = Fp\transduce($transducer, Fp\single_result(), range(1, 6)); $this->assertEquals(3, $reduced); }
public function testCompositionWithMapFilterWithArityOfOne() { $transduced = Fp\transduce(Fp\compose(Fp\map(square_makker()), Fp\filter(is_even_makker())), Fp\appending(), [1, 2, 3, 4, 5, 6]); $this->assertEquals([4, 16, 36], $transduced); }
public function testPartialFinalBatch() { $transducer = Fp\batching(3); $transformed = Fp\transduce($transducer, Fp\appending(), range(1, 5)); $this->assertEquals([[1, 2, 3], [4, 5]], $transformed); }
public function transduce(callable $transducers, Fp\Reducer\Reducer $reducer, $init = null) { return new Self(Fp\transduce($transducers, $reducer, $this->values(), $init)); }