jasny / improved-php-iterable

src/functions/iterable_keys.php

<?php

declare(strict_types=1);

namespace Improved;

/**
 * Use the keys as values.
 *
 * @param iterable $iterable
 * @return \Generator
 */
function iterable_keys(iterable $iterable): \Generator

Function Improved\iterable_keys() has parameter $iterable with no value type specified in iterable type iterable.

Function Improved\iterable_keys() return type has no value type specified in iterable type Generator.

{
    foreach ($iterable as $key => $value) {
        yield $key;
    }
}