public function testWithTwoArgs()
{
$ratio = partial_left($this->ratio(), 2, 4);
$this->assertSame(0.5, $ratio());
}
/**
* Order is important.
*
* @param callable|mixed $pattern
* @param callable|mixed $action
*
* @return static
*/
public function addCase($pattern, $action)
{
$this->cases[] = [is_callable($pattern) ? $pattern : partial_left($this->matcher, $pattern), is_callable($action) ? $action : const_function($action)];
return $this;
}