routing/
path.rs

1// Copyright 2021 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5//! Utilities for manipulating paths.
6
7use std::path::{Path, PathBuf};
8
9pub trait PathBufExt {
10    /// Joins `self` with `path`, returning `self` unmodified if `path` is empty.
11    ///
12    /// Takes ownership of `self`.
13    fn attach<P: AsRef<Path>>(self, path: P) -> PathBuf;
14}
15
16impl PathBufExt for PathBuf {
17    fn attach<P: AsRef<Path>>(mut self, path: P) -> PathBuf {
18        let path: &Path = path.as_ref();
19        if path.components().count() > 0 {
20            self.push(path)
21        }
22        self
23    }
24}