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