return e.importPath
}

// An ImportStack is a stack of import paths, possibly with the suffix " (test)" appended.
// The import path of a test package is the import path of the corresponding
// non-test package with the suffix "_test" added.
type ImportStack []string

func (s *ImportStack) Push(p string) {
	*s = append(*s, p)
}

func (s *ImportStack) Pop() {
	*s = (*s)[0 : len(*s)-1]
}

// expanded import paths. See golang.org/s/go15vendor for more about vendoring.
//
// The error information, if any, is
//
//	type PackageError struct {
//	    ImportStack   []string // shortest path from package named on command line to this one
//	    Pos           string   // position of error (if present, file:line:col)
//	    Err           string   // the error itself
//	}
//