PHP Widmogrod\Monad Identity::of Examples

Example #1

File: IdentityTest.php Project: widmogrod/php-functional

 public function provideFunctorTestData()
 {
     return ['Identity' => ['$f' => function ($x) {
         return $x + 1;
     }, '$g' => function ($x) {
         return $x + 5;
     }, '$x' => Identity::of(123)]];
 }

Example #2

File: functions.php Project: widmogrod/php-functional

/**
 * sequence_ :: Monad m => [m a] -> m ()
 *
 * @todo consider to do it like this: foldr (>>) (return ())
 *
 * @param Monad[] $monads
 *
 * @return Monad
 */
function sequence_($monads)
{
    return reduce(sequenceM, Identity::of([]), toFoldable($monads));
}