Hello Team,
I have the below code structure & I’m trying to call a function defined under the same package (main) but in different folder (I’m not sure if this is valid). If its valid, then my understanding is that I should be able to use the function defined in another “folder1” in main.go without explicit import right…?
Code structure:
dummy
|
| ---- main.go
|
---- folder_1
|
| ---- random.go
Error:
Undeclared name
Hi @Manish, welcome to the forum.
No, this is not valid. All files that belong to the same package must reside in the same folder, according to the language reference:
A set of files sharing the same PackageName form the implementation of a package. An implementation may require that all source files for a package inhabit the same directory.
(Packages - The Go Programming Language, emphasis added by me.)
(Where “implementation” refers to an implementation of a Go toolchain.)
The point is that import paths map to directories. So if you add a directory to your project, it represents a new import path.
Thanks a lot @christophberger for jet speed response. I will rework my code.
as @christophberger said, you basically have 2 packages: dummy/main, and folder_1/main. You are dealing with 2 packages, they just happen to be both called main.
Also note that in your repo (for example myRepo.com/myApp), you could import both main packages in a 3rd package and use the code in both of them, like this:
import “myRepo.com/myApp/dummy”
import “myRepo.com/myApp/folder_1”
hmm @telo_tade thanks for the response. The folder_1 is under dummy folder (i.e its the subdir), so I was wondering since dummy is the parent folder it should be able to use the functions in folder_1 without explicit import, but I’m unable to.
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