| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| //! Utilities for manipulating paths. |
| |
| use std::path::{Path, PathBuf}; |
| |
| pub trait PathBufExt { |
| /// Joins `self` with `path`, returning `self` unmodified if `path` is empty. |
| /// |
| /// Takes ownership of `self`. |
| fn attach<P: AsRef<Path>>(self, path: P) -> PathBuf; |
| } |
| |
| impl PathBufExt for PathBuf { |
| fn attach<P: AsRef<Path>>(mut self, path: P) -> PathBuf { |
| let path: &Path = path.as_ref(); |
| if path.components().count() > 0 { |
| self.push(path) |
| } |
| self |
| } |
| } |
