What is the meaning of the "go" line in go.mod

[George Hartzell]

Hi All,

What meaning should I attach to the "go" line in go.mod, e.g.

go 1.13

It's not mentioned in the module wiki's [list of go mod
directives](https://github.com/golang/go/wiki/Modules#gomod).

It seems to be the version of the `go` command that last touched the
go.mod file.

What, if anything, does it assert about the version of go needed to
build the project? Is it the only version or the minimal version or
...?

Thanks,

g.

[Everton Marques]

https://www.reddit.com/r/golang/comments/b0b8k3/what_version_should_the_gomod_go_directive_be_set/

[Kurtis Rader]

On Wed, Dec 11, 2019 at 3:57 PM George Hartzell <hart...@alerce.com> wrote:

What meaning should I attach to the "go" line in go.mod, e.g.

    go 1.13

It's not mentioned in the module wiki's [list of go mod
directives](https://github.com/golang/go/wiki/Modules#gomod).

I don't know if there is a more canonical answer in the official documentation but this seems to explain it reasonably well:

https://www.reddit.com/r/golang/comments/b0b8k3/what_version_should_the_gomod_go_directive_be_set/ 

--

Kurtis Rader

Caretaker of the exceptional canines Junior and Hank

[Caleb Spare]

There is ongoing discussion here: https://github.com/golang/go/issues/30791

Unfortunately it has been taking way too long for this to get
documented. People are spending a lot of time debating what the go
directive should be in go.mod files in their projects because there is
no official recommendation.

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