Option::flatMap( callable $callable )
Applies the callable to the value of the option if it is non-empty, and returns the return value of the callable directly.
Description
In contrast to map, the return value of the callable is expected to be an Option itself; it is not automatically wrapped in Some().
Parameters
- $callable
-
(Required) must return an Option
Return
(PhpOptionOption)
Source
File: vendor/phpoption/phpoption/src/PhpOption/Option.php
abstract public function flatMap($callable);