1  // Copyright (c) 2019-2025 Alpha-Delta Network Inc.
 2  // This file is part of the deltavm library.
 3  
 4  // Licensed under the Apache License, Version 2.0 (the "License");
 5  // you may not use this file except in compliance with the License.
 6  // You may obtain a copy of the License at:
 7  
 8  // http://www.apache.org/licenses/LICENSE-2.0
 9  
10  // Unless required by applicable law or agreed to in writing, software
11  // distributed under the License is distributed on an "AS IS" BASIS,
12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  // See the License for the specific language governing permissions and
14  // limitations under the License.
15  
16  #[derive(Debug, Error)]
17  pub enum ConstraintFieldError {
18      #[error("{}", _0)]
19      AnyhowError(#[from] anyhow::Error),
20  
21      #[error("{}: {}", _0, _1)]
22      Crate(&'static str, String),
23  
24      #[error("{}", _0)]
25      Message(&'static str),
26  }
27  
28  impl From<std::io::Error> for ConstraintFieldError {
29      fn from(error: std::io::Error) -> Self {
30          ConstraintFieldError::Crate("std::io", format!("{error:?}"))
31      }
32  }