public function testIsNaryConsumer()
{
$consumer = Callables::newConsumer(function ($a, $b, $c) {
return false;
});
$this->assertFalse(Callables::isUnaryConsumer($consumer));
$this->assertFalse(Callables::isBinaryConsumer($consumer));
$this->assertTrue(Callables::isNaryConsumer($consumer));
}
public function testConsumer()
{
$this->assertEquals(Callables::newConsumer(self::get1Ary()), Consumer(self::get1Ary()));
$this->assertEquals(Callables::newConsumer(self::get2Ary()), Consumer(self::get2Ary()));
$this->assertEquals(Callables::newConsumer(self::get3Ary()), Consumer(self::get3Ary()));
}
/**
* Creates a new consumer from a given callable.
*
* The actual instance depends on the callable's arity:
* <ul>
* <li>A 1-ary callable creates an unary consumer</li>
* <li>A 2-ary callable creates a binary consumer</li>
* <li>Otherwise a N-ary consumer is created</li>
* </ul>
*
* @param callable $consumer
* The given callable.
* @return ConsumerInterface
*/
function Consumer(callable $consumer) : ConsumerInterface
{
return Callables::newConsumer($consumer);
}