Command pattern

Command pattern is a behavioral design pattern that turns a request into a stand-alone object that contains all information about the request. This transformation lets you pass requests as a method arguments, delay or queue a request's execution, and support undoable operations.

How to use it in a sentence

  • "We should use the Command pattern here to encapsulate the request as an object," Dave said, while sipping his 3rd Red Bull of the day and dreaming of the day Twitter stops breaking.

  • Alice, the lead engineer, announced in the daily standup: "I've decided to refactor our codebase to use the Command pattern. It'll be like putting lipstick on a pig, but at least it'll be a prettier pig."

If you actually want to learn more...

  • Command Pattern in C# - Dofactory: This article provides a clear explanation of the Command pattern, along with C# code examples and real-world use cases.

  • Command Pattern - Refactoring Guru: Dive deeper into the Command pattern with this comprehensive guide that covers the pattern's structure, examples in various programming languages, and comparisons with other patterns.

  • Command Pattern - Sourcemaking: Learn about the Command pattern through simple, easy-to-understand examples and explanations, perfect for those new to the pattern or design patterns in general.

Note: the Developer Dictionary is in Beta. Please direct feedback to skye@statsig.com.

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