/**
* @dataProvider provideFilter
*/
public function testFilter($coll)
{
$calls = array();
$result = f\filter(function ($v) use(&$calls) {
$calls[] = func_get_args();
return is_int($v);
}, $coll);
$this->assertSame(array(10, 30), $result);
$this->assertSame(array(array(10), array('20'), array(30)), $calls);
}
function benchmark_compares()
{
$number = 100;
$array = range(1, $number);
return ['map' => ['array_map' => function () use($array) {
array_map(function () {
}, $array);
}, 'f/map' => function () use($array) {
f\map(function () {
}, $array);
}], 'reduce' => ['array_reduce' => function () use($array) {
array_reduce($array, function ($a, $b) {
return $a + $b;
});
}, 'f/reduce' => function () use($array) {
f\reduce(function ($a, $b) {
return $a + $b;
}, $array);
}], 'filter' => ['array_filter' => function () use($array) {
array_filter($array, function ($v) {
return $v % 2;
});
}, 'f/filter' => function () use($array) {
f\filter(function ($v) {
return $v % 2;
}, $array);
}], 'rename_keys' => ['raw' => function () use($array) {
$result = array();
foreach ($array as $key => $v) {
$result['a' . $key] = $v;
}
}, 'f\\rename_keys' => function () use($array) {
f\rename_keys($array, f\map(function ($k) {
return 'a' . $k;
}, $array));
}]];
}
/**
* f\remove($fn, $coll)
*
* Returns a new collection with the values that applied to fn are false.
*
* f\remove(function ($value) { return $value % 2 == 0; }, range(1, 6));
* => array(1, 3, 5)
*/
function remove($fn, $coll)
{
return f\filter(f\complement($fn), $coll);
}