Essential Go  Edit on GitHub      File Issue



In Go Middleware can be used to execute code before and after handler function. It uses the power of Single Function Interfaces. Can be introduced at any time without affecting the other middleware. For Ex: Authentication logging can be added in later stages of development without disturbing the existing code.


The Signature of middleware should be (http.ResponseWriter, *http.Request) i.e. of http.handlerFunc type.

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