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created

Identity::map()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
nc 1
nop 1
dl 0
loc 4
rs 10
c 0
b 0
f 0
1
<?php
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declare(strict_types = 1);
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namespace Baethon\Phln\Monad;
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final class Identity
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{
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    /**
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     * @var mixed
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     */
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    private $value;
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    private function __construct($value)
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    {
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        $this->value = $value;
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    }
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    public function map(callable $fn): Identity
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    {
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        return Identity::of($fn($this->value));
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    }
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    public static function of($value): Identity
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    {
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        return new static($value);
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    }
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    public function extract()
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    {
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        return $this->value;
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    }
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}
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