var golang.org/x/tools/internal/gcimporter.pkgExts
2 uses
golang.org/x/tools/internal/gcimporter (current package)
exportdata.go#L354: for _, ext := range pkgExts {
exportdata.go#L372: var pkgExts = [...]string{".a", ".o"} // a file from the build cache will have no extension
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)