Thanks Jesper and Volker.
After reading the article(s) and go help modules and a few blogs, I still
was not able to see why deleting go.mod makes the program import
jsonstuff package, and compile and run?
Modules are a great idea and I want to use them, but I can't get it to
compile
a "hello golang" program even:
=======================
$ ls /home/jfields/go/src/jsonstuff
typestuff.go
$ go mod init src
go: creating new go.mod: module src
$ more go.mod
module src
go 1.14
$ go run main.go
main.go:7:2: package jsonstuff is not in GOROOT
(/usr/local/go/src/jsonstuff)
$ rm go.mod
$ go run main.go
Hello golang
{0}
=========================
On Thu, Jul 30, 2020 at 5:01 AM Jesper Louis Andersen <
jesper.louis.ander...@gmail.com> wrote:
> On Thu, Jul 30, 2020 at 12:54 PM Volker Dobler <dr.volker.dob...@gmail.com>
> wrote:
>
>> You dop not import files and you do
>> not run files and you do not test files. Files contain the
>> sources but are basically uninteresting: Focus on
>> packages (and modules).
>>
>
> In Go, we disconnect the name of a file and the package in which it lives.
> That is, the programmer is free (mostly) to choose whatever names for files
> in a package, and also free to create as many files as is seen necessary.
> It is in contrast to a large set of other languages, which require that the
> package and the filename stay the same. The advantage is that you can have
> very large packages and gracefully split them over multiple files without
> having to resort to inventing new internal package names.
>
> My general view is that you shouldn't assume a connection between the file
> system and the packages of your language, and the languages which do have
> the wrong design. However, since that "mistake" is made in many languages,
> people tend to get somewhat confused when they encounter a system where it
> isn't the case.
>
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