Libraries tagged by immutability

Make objects initially inconsistent, yet eventually immutable

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Collections library with focus on immutability and functional approach

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PHPStan design rules for immutability and structure

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A simple functional programming library.

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Provides immutable behavior for objects.

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PHPSlang is a library that allow you to write a purely functional code in PHP

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DTO library in PHP provides benefits such as encapsulating data, enforcing immutability and facilitating data transformation.

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Wish you had generics in PHP? This library provides a sensible means of managing collections of data (i.e. arrays with restrictions), immutably, until such a time that PHP generics are bestowed upon us.

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Provides automatic property accessors (setters/getters) with immutability support

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PHP built-in DateTime classes alternative. Strict types, immutability, no exceptions and latest PHP features.

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A simple Laravel package that allows you to enforce immutable attributes on Eloquent models.

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PHP Value Object Library.

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Enforce table immutability using Laravel Eloquent

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Flag a class as being immutable by implementing the ImmutableInterface. An immutable object must never change its state; i.e. its class properties must remain unchanged after instantiation or cloning.

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Walnut is a modern functional programming language that combines powerful type system features with practical programming constructs. Designed for building robust applications, Walnut emphasizes type safety, immutability, and clear error handling while maintaining excellent developer ergonomics.

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