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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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The red zone, is why you want immutable constructs

Posted by jpluimers on 2019/05/23

Most code I come across is in the red zone, exactly depicting why you want immutable constructs. Immutable constructs will never end-up in the red zone.

Image: [WayBackWayback Machine.

The red zone is just one quadrant on the mutability/shareability diagram and getting outside that red zone quadrant is key.

With processor cores now becoming ubiquitous: you cannot get outside of the “Shard” half, so you have to get outside of the “Mutable” half.

Explaining the why and how, is part of a few presentations that Kevlin Henney gave:

Related YouTube videos are below.

–jeroen

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