Implement Fluent Method Chaining for Status and Type Methods Using Generics #3221
Description
We propose implementing the fluent concept for the methods Status and Type in the Fiber framework using generics, as discussed in the following articles:
- Generic Interface Functions in Go
- Go Generics Playground Example
- Self-Referencing Interfaces in Golang 1.18
Background:
Using generics allows for method chaining by having methods return a generic interface type, similar to the self keyword in other languages. Since Go does not have a self keyword, generics provide a feasible alternative without significant language changes.
Proposal:
-
Modify the
ContextInterface: -
Change methods like
StatusandTypeto return a generic interface instead of a concrete type. -
This enables fluent method chaining while maintaining type safety and flexibility.
-
Implement a Generic
CtxInterface onApp:- To prevent class switching when registering a custom context that uses fluent methods, implement a generic interface for
Ctxon theApp.
- To prevent class switching when registering a custom context that uses fluent methods, implement a generic interface for
-
Provide Multiple
NewMethods:- Offer additional constructor methods so developers who do not need a custom context can continue using
fiber.Newwithout any changes. - Provide alternative constructors for those who wish to customize the context.
- Offer additional constructor methods so developers who do not need a custom context can continue using
Benefits:
- Maintains ease of use for existing users.
- Enhances flexibility for developers requiring custom contexts.
- Utilizes Go's generics feature introduced in 1.18 for improved design patterns.
References:
- Original PR: gofiber/contrib#1202
- Related Discussion: Comment in PR
Requested by: @ReneWerner87
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