Err.php
No OneTemporary
Actions

Size

2 KB

Referenced Files

None

Subscribers

None

Err.php
View Options

	<?php

	namespace Keruald\OmniTools\DataTypes\Result;

	use Keruald\OmniTools\Reflection\CallableElement;

	use InvalidArgumentException;
	use Throwable;

	class Err extends Result {
	private ?Throwable $error;

	const CB_TOO_MANY_ARGS = "The callback must take 0 or 1 argument.";

	public function __construct (Throwable $error = null) {
	$this->error = $error;
	}

	public function isOK () : false {
	return false;
	}

	public function isError () : true {
	return true;
	}

	public function getValue () : mixed {
	throw new InvalidArgumentException(<<<'EOD'
	This result is an error, so it doesn't have a value.
	You can check first with isOK() if this is a value.
	Or if you want the error, use getError().
	EOD
	);
	}

	public function getError () : Throwable {
	return $this->error;
	}

	public function setError (Throwable $error) : void {
	$this->error = $error;
	}

	public function map (callable $callable) : self {
	return $this;
	}

	public function mapErr (callable $callable) : self {
	$error = $callable($this->error);

	return new self($error);
	}

	public function or (Result $default) : Result {
	return $default;
	}

	public function orElse (callable $callable) : Result {
	$argc = (new CallableElement($callable))->countArguments();

	return match($argc) {
	0 => $callable(),
	1 => $callable($this->error),

	default => throw new InvalidArgumentException(
	self::CB_TOO_MANY_ARGS, 0, $this->error
	),
	};
	}

	public function getValueOr (mixed $default) : mixed {
	return $default;
	}

	public function getValueOrElse (callable $callable) : mixed {
	$argc = (new CallableElement($callable))->countArguments();

	return match($argc) {
	0 => $callable(),
	1 => $callable($this->error),

	default => throw new InvalidArgumentException(
	self::CB_TOO_MANY_ARGS, 0, $this->error
	),
	};
	}
	}

File Metadata

Mime Type: text/x-php
Expires: Sat, Nov 7, 03:11 (1 d, 5 h)
Storage Engine: blob
Storage Format: Raw Data
Storage Handle: 4227588
Default Alt Text: Err.php (2 KB)

Err.phpNo OneTemporaryActions

Err.phpView Options

File Metadata

Event Timeline

Err.php
No OneTemporary
Actions

Err.php
View Options