immutability

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Definition

Immutability is a programming concept where all or some data stores provided by the programming language limit the developer's ability to modify the data once created.

This concept might be extended to other constructs beyond data storage.

Use Cases and Examples

The major argument for introducing immutability in a software project is to ensure that such stores are not changed unexpectedly by other parts of the program. This increases the certainty within the software application.

Summary

Immutability in itself is a concept, and there are many libraries out there to help incorporate this concept into existing programming languages.

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