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<?php namespace Mbh\Collection; |
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/** |
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* MBHFramework |
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* |
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* @link https://github.com/MBHFramework/mbh-framework |
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* @copyright Copyright (c) 2017 Ulises Jeremias Cornejo Fandos |
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* @license https://github.com/MBHFramework/mbh-framework/blob/master/LICENSE (MIT License) |
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*/ |
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use Mbh\Collection\Interfaces\Functional as FunctionalInterface; |
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use Mbh\Collection\Interfaces\Sequenceable as SequenceableInterface; |
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use Mbh\Interfaces\Allocated as AllocatedInterface; |
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use Mbh\Exceptions\ImmutableException; |
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use Mbh\Traits\Capacity; |
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use Mbh\Traits\EmptyGuard; |
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/** |
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* The Immutable Array |
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* |
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* This provides special methods for quickly creating an immutable array, |
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* either from any Traversable, or using a C-optimized fromArray() to directly |
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* instantiate from. Also includes methods fundamental to functional |
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* programming, e.g. map, filter, join, and sort. |
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* |
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* @package structures |
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* @author Ulises Jeremias Cornejo Fandos <[email protected]> |
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*/ |
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class ImmutableArray implements AllocatedInterface, FunctionalInterface, SequenceableInterface |
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{ |
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use Capacity; |
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use EmptyGuard; |
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use Traits\Collection; |
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use Traits\ImmutableFunctional; |
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use Traits\Sequenceable; |
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use Traits\Sequenceable\Arrayed; |
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const MIN_CAPACITY = 8.0; |
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/** |
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* ArrayAccess |
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*/ |
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public function offsetExists($offset) |
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{ |
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return $this->sfa->offsetExists($offset); |
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} |
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public function offsetGet($offset) |
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{ |
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return $this->sfa->offsetGet($offset); |
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} |
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public function offsetSet($offset, $value) |
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{ |
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throw ImmutableException::cannotModify(__CLASS__, __METHOD__); |
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} |
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public function offsetUnset($offset) |
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{ |
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throw ImmutableException::cannotModify(__CLASS__, __METHOD__); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function getGrowthFactor(): float |
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{ |
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return 1.5; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function shouldIncreaseCapacity(): bool |
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{ |
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return count($this) > $this->getSize(); |
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} |
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} |
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MBHFramework /
structures
