PHP Ardent Option::fromPredicate Examples

fromPredicate() public static method

public static fromPredicate ( callable $f, $value )
$f	callable

Example #1

File: OptionTest.php Project: morrisonlevi/ardent

 public function testFromPredicate_WithUnmatched_ReturnsNone()
 {
     $expect = 13;
     $f = function ($input) {
         return false;
     };
     $ifSome = function ($input) {
         $this->fail();
     };
     $ifNone = function () use($expect) {
         return $expect;
     };
     $actual = Option::fromPredicate($f, $expect)->match($ifSome, $ifNone);
     $this->assertEquals($expect, $actual);
 }