matcher() public méthode

Set a matcher for this experiment.
public matcher ( Scientist\Matchers\Matcher $matcher )
$matcher Scientist\Matchers\Matcher
 public function test_that_an_experiment_matcher_can_be_set()
 {
     $e = new Experiment('test experiment');
     $e->matcher(new StandardMatcher());
     $this->assertInstanceOf(StandardMatcher::class, $e->getMatcher());
 }
 public function test_that_an_experiment_matcher_can_be_set()
 {
     $e = new Experiment('test experiment', new Laboratory());
     $e->matcher(new StandardMatcher());
     $this->assertInstanceOf('\\Scientist\\Matchers\\StandardMatcher', $e->getMatcher());
 }