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// Copyright (c) 2021 Teddy Wing
//
// This file is part of Reflectub.
//
// Reflectub is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Reflectub is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Reflectub. If not, see <https://www.gnu.org/licenses/>.
use std::fmt;
// use std::ops::Deref;
/// Wraps a list of errors.
#[derive(Debug, thiserror::Error)]
pub struct MultiError {
errors: Vec<anyhow::Error>,
}
impl fmt::Display for MultiError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
"{}",
self.errors
.iter()
.map(|e| format!("{:#}", e))
.collect::<Vec<_>>()
.join("\n"),
)
}
}
impl From<anyhow::Error> for MultiError {
fn from(error: anyhow::Error) -> Self {
MultiError { errors: vec![error] }
}
}
impl From<Vec<anyhow::Error>> for MultiError {
fn from(errors: Vec<anyhow::Error>) -> Self {
MultiError { errors: errors }
}
}
// impl Iterator for MultiError {
// type Item = anyhow::Error;
//
// fn next(&mut self) -> Option<Self::Item> {
// self.errors.next()
// }
// }
impl IntoIterator for MultiError {
type Item = anyhow::Error;
type IntoIter = std::vec::IntoIter<Self::Item>;
fn into_iter(self) -> Self::IntoIter {
self.errors.into_iter()
}
}
// impl Deref for MultiError {
// type Target = [anyhow::Error];
//
// fn deref(&self) -> &Self::Target {
// &self.errors
// }
// }
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