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<?php |
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declare(strict_types=1); |
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/* |
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* Copyright (C) 2022 Sebastian Böttger <[email protected]> |
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* You may use, distribute and modify this code under the |
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* terms of the MIT license. |
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* |
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* You should have received a copy of the MIT license with |
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* this file. If not, please visit: https://opensource.org/licenses/mit-license.php |
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*/ |
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namespace Seboettg\Collection\Map; |
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use InvalidArgumentException; |
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final class Functions |
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{ |
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/** |
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* @return MapInterface |
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*/ |
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public static final function emptyMap(): MapInterface |
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{ |
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return new class() implements MapInterface { |
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private $array = []; |
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use MapTrait; |
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}; |
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} |
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/** |
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* @param array<Pair> ...$pairs |
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* @return MapInterface |
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*/ |
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public final static function mapOf(...$pairs): MapInterface |
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{ |
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$map = emptyMap(); |
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$map->setArray(array_combine( |
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array_map(fn (Pair $pair) => $pair->getKey(), $pairs), //keys |
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array_map(fn (Pair $pair) => $pair->getValue(), $pairs) //values |
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)); |
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return $map; |
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} |
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/** |
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* @param scalar $key |
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* @param mixed $value |
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* @return Pair |
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*/ |
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public final static function pair($key, $value): Pair |
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{ |
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return Pair::factory($key, $value); |
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} |
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public static function isMap($value): bool |
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{ |
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return $value instanceof MapInterface; |
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} |
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} |
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/** |
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* @return MapInterface |
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*/ |
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function emptyMap(): MapInterface |
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{ |
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return Functions::emptyMap(); |
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} |
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/** |
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* @param array<Pair> ...$pairs |
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* @return MapInterface |
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*/ |
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function mapOf(...$pairs): MapInterface |
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{ |
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return Functions::mapOf(...$pairs); |
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} |
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/** |
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* @param scalar $key |
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* @param mixed $value |
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* @return Pair |
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*/ |
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function pair($key, $value): Pair |
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{ |
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return Functions::pair($key, $value); |
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} |
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function isMap($value): bool |
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{ |
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return Functions::isMap($value); |
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} |
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seboettg /
Collection
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