Exemplo n.º 1
0
/**
 * @param callable $hof
 * @return Success|Failure
 */
function Attempt(callable $hof)
{
    try {
        return Success(call_user_func($hof));
    } catch (\Exception $e) {
        return Failure($e);
    }
}
Exemplo n.º 2
0
 public function testFlatMap()
 {
     $c = Rescue($this->theNumber7());
     $c = $c->flatMap(function ($v) {
         return Failure(new RuntimeException());
     });
     $this->assertThat($c->getOrElse(1), $this->equalTo(1));
 }
Exemplo n.º 3
0
 /**
  * @param callable $hof (): Attempt
  * @return Attempt
  * @throws \Exception on function not returning a Attempt subtype
  */
 public function orElse(callable $hof)
 {
     if ($this->isSuccess()) {
         return $this;
     }
     try {
         $result = $hof();
     } catch (\Exception $e) {
         return Failure($e);
     }
     return static::assertRootType($result);
 }
Exemplo n.º 4
0
 /**
  * @inheritdoc
  */
 public function transform(callable $success, callable $failure)
 {
     try {
         $result = call_user_func($success, $this->value, $this);
     } catch (\Exception $e) {
         return Failure($e);
     }
     return static::assertRootType($result);
 }