logforth_core/trap/
default.rs

1// Copyright 2024 FastLabs Developers
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
15use std::io;
16use std::io::Write;
17
18use crate::Error;
19use crate::trap::Trap;
20
21/// A default trap that sends errors to standard error if possible.
22///
23/// If standard error is not available, it does nothing.
24#[derive(Debug, Default)]
25#[non_exhaustive]
26pub struct DefaultTrap {}
27
28impl Trap for DefaultTrap {
29    fn trap(&self, err: &Error) {
30        let _ = writeln!(io::stderr(), "{err}");
31    }
32}
logforth_core/trap/default.rs

logforth_core/trap/
default.rs
