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// Copyright 2020 IOTA Stiftung
// SPDX-License-Identifier: Apache-2.0

//! A module that deals with asynchronous workers in general.

/// Errors that might occur during the lifetime of asynchronous workers.
#[derive(Debug)]
pub struct Error(pub Box<dyn std::error::Error + Send>);

impl std::fmt::Display for Error {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "Worker error: {:?}.", self.0)
    }
}

impl std::error::Error for Error {
    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
        self.0.source()
    }
}