| # Test support for go mod -edit to set language version. | |
| env GO111MODULE=on | |
| ! go build | |
| stderr 'type aliases only supported as of' | |
| go mod edit -go=1.9 | |
| grep 'go 1.9' go.mod | |
| go build | |
| # Reverting the version should force a rebuild and error instead of using | |
| # the cached 1.9 build. (https://golang.org/issue/37804) | |
| go mod edit -go=1.8 | |
| ! go build | |
| stderr 'type aliases only supported as of' | |
| -- go.mod -- | |
| module m | |
| go 1.8 | |
| -- alias.go -- | |
| package alias | |
| type T = int |