27 lines
563 B
PHP
27 lines
563 B
PHP
<?php
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namespace SqrtSpace\SpaceTime\Streams\Iterators;
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/**
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* Iterator that applies a mapping function to each element
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*/
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class MapIterator extends \FilterIterator
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{
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private $callback;
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public function __construct(\Iterator $iterator, callable $callback)
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{
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parent::__construct($iterator);
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$this->callback = $callback;
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}
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public function accept(): bool
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{
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return true; // Accept all elements
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}
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public function current(): mixed
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{
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return ($this->callback)(parent::current());
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}
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} |