var contents … func Test(t *testing.T) { … } func TestToolchain122(t *testing.T) { … } type fileTest … func testFiles(t *testing.T, goversion string, pversion string, tests []fileTest) { … } func TestTooNew(t *testing.T) { … } func parse(t *testing.T, fset *token.FileSet, name, src string) *ast.File { … } func typeCheck(fset *token.FileSet, files []*ast.File, goversion string) (*types.Package, *types.Info, error) { … }