public function testArity()
{
$this->assertEquals(Callables::arity(self::get0Ary()), arity(self::get0Ary()));
$this->assertEquals(Callables::arity(self::get1Ary()), arity(self::get1Ary()));
$this->assertEquals(Callables::arity(self::get2Ary()), arity(self::get2Ary()));
$this->assertEquals(Callables::arity(self::get3Ary()), arity(self::get3Ary()));
}
public function testArity()
{
$this->assertEquals(1, Callables::arity(function ($a) {
return null;
}));
$this->assertEquals(2, Callables::arity(function ($a, $b) {
return null;
}));
$this->assertEquals(3, Callables::arity(function ($a, $b, $c) {
return null;
}));
$this->assertGreaterThan(2, Callables::arity(function ($a, $b, $c) {
return null;
}));
$this->assertEquals(2, Callables::arity(BinaryConsumer(function ($a, $b) {
echo "asdf";
})));
}
/**
*
* @param callable $callable
* @return int
*/
function arity(callable $callable) : int
{
return Callables::arity($callable);
}
