sp_database/
error.rs

1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: Apache-2.0
5
6// Licensed under the Apache License, Version 2.0 (the "License");
7// you may not use this file except in compliance with the License.
8// You may obtain a copy of the License at
9//
10// 	http://www.apache.org/licenses/LICENSE-2.0
11//
12// Unless required by applicable law or agreed to in writing, software
13// distributed under the License is distributed on an "AS IS" BASIS,
14// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15// See the License for the specific language governing permissions and
16// limitations under the License.
17
18/// The error type for database operations.
19#[derive(Debug)]
20pub struct DatabaseError(pub Box<dyn std::error::Error + Send + Sync + 'static>);
21
22impl std::fmt::Display for DatabaseError {
23	fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
24		write!(f, "{}", self.0)
25	}
26}
27
28impl std::error::Error for DatabaseError {
29	fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
30		None
31	}
32}
33
34/// A specialized `Result` type for database operations.
35pub type Result<T> = std::result::Result<T, DatabaseError>;
sp_database/error.rs

sp_database/
error.rs
