Adding upstream version 3.10.8.

Signed-off-by: Daniel Baumann <daniel@debian.org>

path/pathstring.go

@@ -0,0 +1,33 @@
+// Copyright Earl Warren <contact@earl-warren.org>
+// Copyright Loïc Dachary <loic@dachary.org>
+// SPDX-License-Identifier: MIT
+
+package path
+
+import "strings"
+
+func NewPathString() PathString {
+	return &pathString{
+		elements: make([]string, 0, 10),
+	}
+}
+
+type pathString struct {
+	elements []string
+}
+
+func (o pathString) Empty() bool {
+	return len(o.elements) == 0
+}
+
+func (o pathString) Join() string {
+	return strings.Join(o.elements, "/")
+}
+
+func (o *pathString) Append(element string) {
+	o.elements = append(o.elements, element)
+}
+
+func (o pathString) Elements() []string {
+	return o.elements
+}