Test Setup Failed
Push — master ( c1c987...ff118e )
by Arkadiusz
02:33
created

LambdaTransformer::transform()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 6

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 6
rs 10
c 0
b 0
f 0
cc 2
nc 2
nop 2
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<?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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}
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