Method join

internal/fs/filepath.go:516–526

Join joins any number of path elements into a single path, separating them with an OS specific Separator. Empty elements are ignored. The result is Cleaned. However, if the argument list is empty or all its elements are empty, Join returns an empty string. On Windows, the result will only be a UNC p

(elem []string)

// On Windows, the result will only be a UNC path if the first
// non-empty element is a UNC path.
func (fp goFilepath) join(elem []string) string {
	for i, e := range elem {
		if e != "" {
			if fp.isWindows {
				return fp.joinNonEmpty(elem[i:])
			}
			return fp.clean(strings.Join(elem[i:], string(fp.pathSeparator)))
		}
	}
	return ""
}

// joinNonEmpty is like join, but it assumes that the first element is non-empty.
func (fp goFilepath) joinNonEmpty(elem []string) string {