Proyectos de Subversion Moodle

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1 efrain 1 
<?php
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declare(strict_types=1);
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namespace Phpml\Preprocessing;
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final class LambdaTransformer implements Preprocessor
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{
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    /**
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     * @var callable
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     */
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    private $lambda;
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    public function __construct(callable $lambda)
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    {
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        $this->lambda = $lambda;
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    }
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    public function fit(array $samples, ?array $targets = null): void
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    {
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        // nothing to do
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    }
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    public function transform(array &$samples, ?array &$targets = null): void
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    {
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        foreach ($samples as &$sample) {
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            $sample = call_user_func($this->lambda, $sample);
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        }
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    }
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}