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Last updated : Nov 07, 2016
Not on the current edition
This blip is not on the current edition of the Radar. If it was on one of the last few editions it is likely that it is still relevant. If the blip is older it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the Radar Understand more
Nov 2016
Trial ? Worth pursuing. It is important to understand how to build up this capability. Enterprises should try this technology on a project that can handle the risk.

Immutability is often emphasized in the functional programming paradigm, and most languages have the ability to create immutable objects—objects that can't be changed once created. Immutable.js is a library for JavaScript that provides many persistent immutable data structures, which are highly efficient on modern JavaScript virtual machines. Immutable.js objects are, however, not normal JavaScript objects, so references to JavaScript objects from immutable objects should be avoided. More teams are using this library for tracking mutation and maintaining state in production. We recommend that developers investigate this library, especially when it's combined with the rest of the Facebook stack.

Apr 2016
Assess ? Worth exploring with the goal of understanding how it will affect your enterprise.

Immutability is often emphasized in the functional programming paradigm, and most languages have the ability to create immutable objects, which cannot be changed once created. Immutable.js is a library for JavaScript that provides many persistent immutable data structures, which are highly efficient on modern JavaScript virtual machines. Immutable.js objects are, however, not normal JavaScript objects, so references to JavaScript objects from immutable objects should be avoided. Our teams have had value using this library for tracking mutation and maintaining state, and it is a library we encourage developers to investigate, especially when it's combined with the rest of the Facebook stack.

Published : Apr 05, 2016
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