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#![allow(unused)]
#![warn(clippy::error_impl_error)]
#![no_main]
pub mod a {
#[derive(Debug)]
pub struct Error;
//~^ error_impl_error
impl std::fmt::Display for Error {
fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
todo!()
}
}
impl std::error::Error for Error {}
}
mod b {
#[derive(Debug)]
pub(super) enum Error {}
//~^ error_impl_error
impl std::fmt::Display for Error {
fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
todo!()
}
}
impl std::error::Error for Error {}
}
pub mod c {
pub union Error {
//~^ error_impl_error
a: u32,
b: u32,
}
impl std::fmt::Debug for Error {
fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
todo!()
}
}
impl std::fmt::Display for Error {
fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
todo!()
}
}
impl std::error::Error for Error {}
}
pub mod d {
pub type Error = std::fmt::Error;
//~^ error_impl_error
}
mod e {
#[derive(Debug)]
pub(super) struct MyError;
impl std::fmt::Display for MyError {
fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
todo!()
}
}
impl std::error::Error for MyError {}
}
pub mod f {
pub type MyError = std::fmt::Error;
}
// Do not lint module-private types
mod g {
#[derive(Debug)]
enum Error {}
impl std::fmt::Display for Error {
fn fmt(&self, _: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
todo!()
}
}
impl std::error::Error for Error {}
}
mod h {
type Error = std::fmt::Error;
}
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