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Example code of kafkiansky/option

Informations about the package option

Option that takes care of what you unwrap.

Requirements

Installation

The package could be installed with composer:

Motivation

Every Option pattern implementation I've seen has allowed you to call unwrap and get either a value or an exception, which, in my opinion, is no different from calling methods from null. Same behaviour. Same error on production. But what if static analysis would make you check for a value before getting it? No problem.

With this code you will get an IfThisIsMismatch error from psalm, because unwrap can only be called on type Some<T>, not None.

Let's fix that:

Everything is fine now.

This code is also error-prone with NoValue issue:

But this code has no errors because you have passed a default value for None type, so you can call unwrap without calling isSome.

And this code also contains no errors:

Limitations

At the moment this package works best with Psalm, because PHPStan does not yet know how to understand the if-this-is annotation.

Testing

License

The MIT License (MIT). See License File for more information.

All versions of option with dependencies

PHP Build Version
Package Version
Requires php Version ^8.1
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