1mod=example.com/main
2base=v0.0.1
3-- want --
4example.com/main/b
5------------------
6Compatible changes:
7- package added
8
9Suggested version: v0.1.0
10-- go.mod --
11module example.com/main
12
13go 1.14
14-- a/a.go --
15package main
16
17func main() {}
18-- b/b.go --
19package main
20
21func main() {}
22