public function test_fix()
{
$actual = Functools::fix(function ($rec) {
return function ($n) use($rec) {
return $n == 0 ? 1 : $n * $rec($n - 1);
};
});
$this->assertEquals(120, $actual(5));
}
public function test_functools_wrapper()
{
$f = function () {
};
$this->assertEquals(f::arity('explode'), _::arity('explode'));
$this->assertEquals(f::tuple('hoge'), _::tuple('hoge'));
$this->assertEquals(f::cons("a", "b"), _::cons("a", "b"));
$this->assertEquals(f::curry($f), _::curry($f));
$this->assertEquals(f::fix($f), _::fix($f, $f));
$this->assertEquals(f::compose($f, $f), _::compose($f, $f));
}
