/**
* @test
*/
public function ifelse()
{
$ls = ['name' => 'James Tiberius Kirk'];
$upper = F\compose('strtoupper', F\prop('name'));
$expected = F\ifelse(F\has('name'), $upper, F\always(false));
$this->assertEquals($expected($ls), 'JAMES TIBERIUS KIRK');
$expected = F\ifelse(F\has('lastname'), $upper, F\always(false));
$this->assertFalse($expected($ls));
}
/**
* @test
*/
public function compose()
{
$f1 = F\compose(function ($x) {
return "foo({$x})";
}, function ($x) {
return "bar({$x})";
}, function ($x) {
return "baz({$x})";
});
$this->assertSame($f1('x'), 'foo(bar(baz(x)))');
$f2 = F\compose('cos', 'deg2rad');
$this->assertEquals($f2(360), cos(deg2rad(360)));
}
