duskphantom_utils/
diff.rs

1// Copyright 2024 Duskphantom Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14//
15// SPDX-License-Identifier: Apache-2.0
16
17pub fn diff(a: &str, b: &str) -> String {
18    diff::lines(a, b)
19        .iter()
20        .map(|line| match line {
21            diff::Result::Left(s) => format!("[-] {}", s),
22            diff::Result::Both(s, _) => s.to_string(),
23            diff::Result::Right(s) => format!("[+] {}", s),
24        })
25        .collect::<Vec<String>>()
26        .join("\n")
27}