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WalkthroughThe migration guide documentation for Fiber v3 has been updated to clarify the removal of the Changes
Sequence Diagram(s)No sequence diagram generated, as the change is documentation-only. Estimated code review effort🎯 1 (Trivial) | ⏱️ ~2 minutes Possibly related PRs
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Summary of Changes
Hello @ReneWerner87, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
I've updated the whats_new.md documentation to provide clearer information regarding the removal of the Context() and SetContext() methods. The changes clarify that Ctx now directly implements the context.Context interface, simplifying how context is handled and passed within the application. Additionally, I've added guidance on how to manage additional context information using Locals or middleware, replacing the functionality previously offered by SetContext().
Highlights
- Documentation Clarification for Context Methods: The
docs/whats_new.mdfile has been updated to clarify thatContext()andSetContext()methods have been removed. It now explicitly states thatCtxdirectly implements thecontext.Contextinterface, guiding users to passcanywhere acontext.Contextis needed. - Guidance on Replaced Functionality: The documentation now provides guidance for the removed
SetContext(), suggesting the use ofLocalsor middleware for attaching additional context information.
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Pull Request Overview
This PR improves the documentation in whats_new.md by clarifying the removal of Context() and SetContext() methods and explaining how Ctx now directly implements the context.Context interface.
- Clarifies that
Context()andSetContext()methods were removed rather than just replaced - Provides clearer guidance on how to handle context operations after these method removals
- Explains that
Ctxdirectly implementscontext.Contextinterface
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Code Review
This pull request provides a good clarification on the removal of the Context() and SetContext() methods in whats_new.md. The updated text is accurate and will be helpful for developers migrating to v3.
To further improve the document's consistency, I recommend removing the outdated entries for these methods from the "Changed Methods" section (lines 503-505). Since these methods are now removed, listing them as changed could be confusing.
Here's a suggested change to address this:
--- a/docs/whats_new.md
+++ b/docs/whats_new.md
@@ -500,6 +500,3 @@
specified by [RFC 6266](https://www.rfc-editor.org/rfc/rfc6266) and
[RFC 8187](https://www.rfc-editor.org/rfc/rfc8187).
- **Context**: Renamed to `RequestCtx` to correspond with the FastHTTP Request Context.
- **UserContext**: Renamed to `Context`, which returns a `context.Context` object.
- **SetUserContext**: Renamed to `SetContext`.
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🧠 Learnings (8)
📓 Common learnings
Learnt from: gaby
PR: gofiber/fiber#3193
File: middleware/cache/cache_test.go:897-897
Timestamp: 2024-11-08T04:10:42.990Z
Learning: In the Fiber framework, `Context()` is being renamed to `RequestCtx()`, and `UserContext()` to `Context()` to improve clarity and align with Go's context conventions.
Learnt from: gaby
PR: gofiber/fiber#3193
File: middleware/adaptor/adaptor.go:111-111
Timestamp: 2024-11-10T23:44:13.704Z
Learning: In the `middleware/adaptor/adaptor.go` file of the Fiber framework, when updating context handling, replacing `c.Context()` with `c.RequestCtx()` is appropriate to access the `fasthttp.RequestCtx`.
Learnt from: ReneWerner87
PR: gofiber/fiber#3161
File: app.go:923-932
Timestamp: 2024-11-15T07:56:21.623Z
Learning: In the Fiber framework, breaking changes are acceptable when moving from version 2 to version 3, including modifications to method signatures such as in the `Test` method in `app.go`.
Learnt from: sixcolors
PR: gofiber/fiber#3446
File: docs/middleware/logger.md:44-44
Timestamp: 2025-05-13T00:19:16.407Z
Learning: In documentation files for the Fiber framework, code examples are often partial and don't repeat import statements that were shown in earlier examples, focusing instead on demonstrating specific usage patterns.
Learnt from: mdelapenya
PR: gofiber/fiber#3434
File: docs/api/services.md:39-43
Timestamp: 2025-05-07T13:07:33.899Z
Learning: When documenting Go interface methods in the Fiber project, avoid showing method signatures with the interface type as the receiver (e.g., `func (d *Service) Method()`) since interfaces cannot be used as receivers in Go. Instead, show just the method signature without a receiver or use a placeholder implementation name.
Learnt from: sixcolors
PR: gofiber/fiber#3016
File: middleware/csrf/csrf_test.go:188-193
Timestamp: 2024-10-08T19:06:06.583Z
Learning: In the Fiber framework tests, using `ctx.Response.Header.Cookie` may not be suitable for parsing cookies from the response header, as it requires a `*Cookie` and fills it rather than returning a string value; thus, manual parsing of the `Set-Cookie` header may be necessary.
Learnt from: sixcolors
PR: gofiber/fiber#3016
File: middleware/csrf/csrf_test.go:188-193
Timestamp: 2024-09-25T15:57:10.221Z
Learning: In the Fiber framework tests, using `ctx.Response.Header.Cookie` may not be suitable for parsing cookies from the response header, as it requires a `*Cookie` and fills it rather than returning a string value; thus, manual parsing of the `Set-Cookie` header may be necessary.
Learnt from: ckoch786
PR: gofiber/fiber#3230
File: docs/whats_new.md:944-951
Timestamp: 2024-12-15T19:56:45.935Z
Learning: Detailed usage examples and explanations for new methods like `RemoveRoute` and `RemoveRouteByName` are documented in `docs/api/app.md`, so it's unnecessary to duplicate them in `docs/whats_new.md`.
Learnt from: sigmundxia
PR: gofiber/fiber#3151
File: middleware/adaptor/adaptor_test.go:226-230
Timestamp: 2024-09-26T03:08:50.917Z
Learning: In Fiber, the `c.Set` method does not return an error.
Learnt from: sigmundxia
PR: gofiber/fiber#3151
File: middleware/adaptor/adaptor_test.go:226-230
Timestamp: 2024-10-08T19:06:06.583Z
Learning: In Fiber, the `c.Set` method does not return an error.
📚 Learning: in the fiber framework, `context()` is being renamed to `requestctx()`, and `usercontext()` to `cont...
Learnt from: gaby
PR: gofiber/fiber#3193
File: middleware/cache/cache_test.go:897-897
Timestamp: 2024-11-08T04:10:42.990Z
Learning: In the Fiber framework, `Context()` is being renamed to `RequestCtx()`, and `UserContext()` to `Context()` to improve clarity and align with Go's context conventions.
Applied to files:
docs/whats_new.md
📚 Learning: in the fiber framework, breaking changes are acceptable when moving from version 2 to version 3, inc...
Learnt from: ReneWerner87
PR: gofiber/fiber#3161
File: app.go:923-932
Timestamp: 2024-11-15T07:56:21.623Z
Learning: In the Fiber framework, breaking changes are acceptable when moving from version 2 to version 3, including modifications to method signatures such as in the `Test` method in `app.go`.
Applied to files:
docs/whats_new.md
📚 Learning: in the `middleware/adaptor/adaptor.go` file of the fiber framework, when updating context handling, ...
Learnt from: gaby
PR: gofiber/fiber#3193
File: middleware/adaptor/adaptor.go:111-111
Timestamp: 2024-11-10T23:44:13.704Z
Learning: In the `middleware/adaptor/adaptor.go` file of the Fiber framework, when updating context handling, replacing `c.Context()` with `c.RequestCtx()` is appropriate to access the `fasthttp.RequestCtx`.
Applied to files:
docs/whats_new.md
📚 Learning: in documentation files for the fiber framework, code examples are often partial and don't repeat imp...
Learnt from: sixcolors
PR: gofiber/fiber#3446
File: docs/middleware/logger.md:44-44
Timestamp: 2025-05-13T00:19:16.407Z
Learning: In documentation files for the Fiber framework, code examples are often partial and don't repeat import statements that were shown in earlier examples, focusing instead on demonstrating specific usage patterns.
Applied to files:
docs/whats_new.md
📚 Learning: when documenting go interface methods in the fiber project, avoid showing method signatures with the...
Learnt from: mdelapenya
PR: gofiber/fiber#3434
File: docs/api/services.md:39-43
Timestamp: 2025-05-07T13:07:33.899Z
Learning: When documenting Go interface methods in the Fiber project, avoid showing method signatures with the interface type as the receiver (e.g., `func (d *Service) Method()`) since interfaces cannot be used as receivers in Go. Instead, show just the method signature without a receiver or use a placeholder implementation name.
Applied to files:
docs/whats_new.md
📚 Learning: detailed usage examples and explanations for new methods like `removeroute` and `removeroutebyname` ...
Learnt from: ckoch786
PR: gofiber/fiber#3230
File: docs/whats_new.md:944-951
Timestamp: 2024-12-15T19:56:45.935Z
Learning: Detailed usage examples and explanations for new methods like `RemoveRoute` and `RemoveRouteByName` are documented in `docs/api/app.md`, so it's unnecessary to duplicate them in `docs/whats_new.md`.
Applied to files:
docs/whats_new.md
📚 Learning: in fiber, the `c.set` method does not return an error....
Learnt from: sigmundxia
PR: gofiber/fiber#3151
File: middleware/adaptor/adaptor_test.go:226-230
Timestamp: 2024-10-08T19:06:06.583Z
Learning: In Fiber, the `c.Set` method does not return an error.
Applied to files:
docs/whats_new.md
docs/whats_new.md
Outdated
| - **Context()**: Removed. `Ctx` now directly implements `context.Context`, so pass `c` anywhere a `context.Context` is required. | ||
| - **SetContext()**: Removed. Attach additional context information using `Locals` or middleware if needed. | ||
|
|
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💡 Verification agent
❓ Verification inconclusive
Contradicting claims – are Context() / SetContext() removed or just renamed?
These two bullets state that both methods were removed, yet the “Changed Methods” list later in the same document (Line 503 ff.) still advertises:
Context➜RequestCtxUserContext➜ContextSetUserContext➜SetContext
Having the same API element marked as removed and renamed in one guide will mislead users during migration.
Please reconcile the sections and pick one story:
- If the functions are truly deleted, delete/adjust the “Changed Methods” entries.
- If they were only renamed (as earlier PR discussions & learnings suggest), rewrite the bullet here to “Renamed” instead of “Removed”.
Until this inconsistency is fixed, developers cannot reliably update their codebase.
Update “Removed” bullets to “Renamed” in docs/whats_new.md
The methods in question were renamed, not deleted—please adjust the bullets at lines 113–115:
• File: docs/whats_new.md
• Lines: 113–115
Suggested diff:
--- a/docs/whats_new.md
+++ b/docs/whats_new.md
@@ -113,7 +113,7 @@
- **Context()**: Removed. `Ctx` now directly implements `context.Context`, so pass `c` anywhere a `context.Context` is required.
+ **Context()**: Renamed to `RequestCtx()`. `Ctx` now directly implements `context.Context`, so pass `c` anywhere a `context.Context` is required.
- **SetContext()**: Removed. Attach additional context information using `Locals` or middleware if needed.
+ **SetContext()**: Renamed from `SetUserContext()`. Attach additional context information using `Locals` or middleware if needed.📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| - **Context()**: Removed. `Ctx` now directly implements `context.Context`, so pass `c` anywhere a `context.Context` is required. | |
| - **SetContext()**: Removed. Attach additional context information using `Locals` or middleware if needed. | |
| - **Context()**: Renamed to `RequestCtx()`. `Ctx` now directly implements `context.Context`, so pass `c` anywhere a `context.Context` is required. | |
| - **SetContext()**: Renamed from `SetUserContext()`. Attach additional context information using `Locals` or middleware if needed. |
🤖 Prompt for AI Agents
In docs/whats_new.md around lines 113 to 115, update the bullet points from
"Removed" to "Renamed" to accurately reflect that the methods were renamed
rather than deleted. Change the wording to indicate the methods have new names
or implementations instead of stating they were removed.
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Summary
whats_new.mdCtximplements thecontext.ContextinterfaceTesting
go list -m -mod=readonly allmake testhttps://chatgpt.com/codex/tasks/task_e_688c930877ac83269d417e451c2c7b1e