munusphp / munus
Power of object-oriented programming with the elegance of functional programming.
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Requires
- php: ^8.1
Requires (Dev)
- friendsofphp/php-cs-fixer: ^3.27
- nette/php-generator: ^4.0
- phpstan/phpstan: ^1.11.2
- phpunit/phpunit: ^9.6.13
README
Power of object-oriented programming with the elegance of functional programming. Increase the robustness with reduced amount of code.
At the moment, in the experimental phase.
Due to the lack of generic types, Munus achieves genericity with the help of PHPStan template
annotation.
Stream example: find the sum of the first ten squares of even numbers
Stream::from(1) ->filter(fn($n) => $n%2===0) ->map(fn($n) => $n**2) ->take(10) ->sum();
Other examples:
/** @var Stream<int> $stream */ $stream = Stream::range(1, 10)->map(function(int $int): int {return $int * 5}); /** @var Option<Success> $option */ $option = Option::of(domainOperation()); /** @return Either<Failure,Success> */ function domainOperation(): Either {} /** @var TryTo<Result> $result */ $result = TryTo::run(function(){throw new \DomainException('use ddd');}); $result->getOrElse(new Result())
The goal is to help achieve: Psalm was able to infer types for 100% of the codebase
Features
Values:
- TryTo
- Either
- Option
- Lazy
Collections:
- Set
- Stream (implemented as lazy linked list)
- GenericList (implemented as immutable linked list)
- Iterator
Other:
- Tuple
Roadmap
- Pattern matching
- Property checking
Inspiration
This library is inspired by vavr.io
License
Munus is released under the MIT Licence. See the bundled LICENSE file for details.