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<?php declare(strict_types=1); namespace Psl\Dict; use Closure; /** * Returns a dict where: * - values are the result of calling `$value_func` on the original value * - keys are the result of calling `$key_func` on the original value. * * Example: * * Dict\pull( * Vec\range(0, 10), * fn($i) => Str\chr($i + 65), * fn($i) => 2**$i, * ) * => Dict( * 1 => 'A', 2 => 'B', 4 => 'C', 8 => 'D', 16 => 'E', 32 => 'F', * 64 => 'G', 128 => 'H', 256 => 'I', 512 => 'J', 1024 => 'K' * ) * * @template Tk1 * @template Tv1 * @template Tk2 of array-key * @template Tv2 * * @param iterable<Tk1, Tv1> $iterable * @param (Closure(Tv1): Tv2) $value_func * @param (Closure(Tv1): Tk2) $key_func * * @return array<Tk2, Tv2> */ function pull(iterable $iterable, Closure $value_func, Closure $key_func): array { $result = []; foreach ($iterable as $value) { $result[$key_func($value)] = $value_func($value); } return $result; }
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