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Copy pathError.php
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94 lines (85 loc) · 1.57 KB
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<?php
namespace Dotenv\Result;
use PhpOption\None;
use PhpOption\Some;
/**
* @template T
* @template E
* @extends \Dotenv\Result\Result<T,E>
*/
class Error extends Result
{
/**
* @var E
*/
private $value;
/**
* Internal constructor for an error value.
*
* @param E $value
*
* @return void
*/
private function __construct($value)
{
$this->value = $value;
}
/**
* Create a new error value.
*
* @template F
*
* @param F $value
*
* @return \Dotenv\Result\Result<T,F>
*/
public static function create($value)
{
return new self($value);
}
/**
* Get the success option value.
*
* @return \PhpOption\Option<T>
*/
public function success()
{
return None::create();
}
/**
* Map over the success value.
*
* @template S
*
* @param callable(T):S $f
*
* @return \Dotenv\Result\Result<S,E>
*/
public function mapSuccess(callable $f)
{
/** @var \Dotenv\Result\Result<S,E> */
return self::create($this->value);
}
/**
* Get the error option value.
*
* @return \PhpOption\Option<E>
*/
public function error()
{
return Some::create($this->value);
}
/**
* Map over the error value.
*
* @template F
*
* @param callable(E):F $f
*
* @return \Dotenv\Result\Result<T,F>
*/
public function mapError(callable $f)
{
return self::create($f($this->value));
}
}