Subversion-Projekte lars-tiefland.laravel_shop

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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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namespace Illuminate\Container;
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use Countable;
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use IteratorAggregate;
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use Traversable;
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class RewindableGenerator implements Countable, IteratorAggregate
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{
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    /**
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     * The generator callback.
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     *
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     * @var callable
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     */
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    protected $generator;
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    /**
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     * The number of tagged services.
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     *
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     * @var callable|int
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     */
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    protected $count;
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    /**
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     * Create a new generator instance.
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     *
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     * @param  callable  $generator
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     * @param  callable|int  $count
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     * @return void
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     */
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    public function __construct(callable $generator, $count)
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    {
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        $this->count = $count;
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        $this->generator = $generator;
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    }
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    /**
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     * Get an iterator from the generator.
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     *
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     * @return \Traversable
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     */
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    public function getIterator(): Traversable
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    {
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        return ($this->generator)();
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    }
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    /**
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     * Get the total number of tagged services.
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     *
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     * @return int
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     */
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    public function count(): int
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    {
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        if (is_callable($count = $this->count)) {
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            $this->count = $count();
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        }
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        return $this->count;
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    }
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}