Exemplos de Widmogrod\Monad\State value em PHP

Exemplo n.º 1

Arquivo: StateTest.php Projeto: widmogrod/php-functional

 public function provideFunctorTestData()
 {
     return ['State' => ['$f' => function ($x) {
         return $x + 1;
     }, '$g' => function ($x) {
         return $x + 5;
     }, '$x' => State\value(3), '$state' => 'asd']];
 }

Exemplo n.º 2

Arquivo: StateMonadTest.php Projeto: widmogrod/php-functional

function searchRelated($productName)
{
    // TODO: 1. try use doM
    // TODO: 2. try implement getOrElse
    return checkRelatedInCache($productName)->bind(function (Maybe\Maybe $products) use($productName) {
        switch (get_class($products)) {
            case Maybe\Just::class:
                return S\value($products->extract());
            case Maybe\Nothing::class:
                return retrieveRelated($productName);
        }
    });
}