public function testCompose()
{
// from js
$greet = function ($name) {
return 'hi: ' . $name;
};
$exclaim = function ($sentence) {
return $sentence . '!';
};
$composed = __u::compose($exclaim, $greet);
$this->assertEquals('hi: moe!', $composed('moe'), 'can compose a function that takes another');
$composed = __u::compose($greet, $exclaim);
$this->assertEquals('hi: moe!', $composed('moe'), 'in this case, the functions are also commutative');
// extra
$composed = __u($greet)->compose($exclaim);
$this->assertEquals('hi: moe!', $composed('moe'), 'in this case, the functions are also commutative');
// docs
$greet = function ($name) {
return 'hi: ' . $name;
};
$exclaim = function ($statement) {
return $statement . '!';
};
$welcome = __u::compose($exclaim, $greet);
$this->assertEquals('hi: moe!', $welcome('moe'));
}