How to solve the problem of Golang generic function type constraints being automatically deleted in VSCode?

Golang generic function type constraints are accidentally deleted under VSCode

When writing Go code using VSCode, you may encounter a problem: when calling a generic function, the VSCode prompts to omit the type declaration. However, if you accept this suggestion and save the file, VSCode will actually automatically delete the type constraints in the generic function definition!

This problem manifests as: VSCode recommends removing type parameters from generic function calls. Once you adopt the suggestion and save it, not only the type declaration at the call disappears, but the type constraints in the function definition will also be accidentally removed.

The root cause is that VSCode's default Go code formatting tool (most likely goformat ) has flaws when handling generic functions, resulting in the loss of type constraints.

The solution is very simple:

Search for "go" in VSCode settings, find the "format tool" option, change it to "default" or any non- goformat formatting tool. This will prevent unexpected code modifications and ensure that your generic function type constraints are preserved. With this setting tweak, you can avoid the code being misformatted, thus maintaining the integrity and correctness of the code.

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