How to share constant between packages in golang?

Question

I’ve the following code which require multiple packages in cmd package
PATH_SEP = string(os.PathSeparator)

my project structure is like following
go/src/my proj
-cmd
--runners
--otherpackage
-- package2
-- constants
--…. 

in constants i put the code
PATH_SEP = string(os.PathSeparator)
const2 etc

and in runners and package2/3 etc I use this constant.
is it OK ? otherwise I need to duplicate the code for other packages .

Gopher · Accepted Answer

I would suggest to declare struct with constant fields and import that struct in any package you wants to use the constants. package cmd type Constants struct{ const1 int const2 int } It would be better to have a separate file for constants. Create a file called global.go which contains all constant structs to be used in different packages that way your code would be cleaner.

Go Language

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