57 lines
1.0 KiB
Rust
57 lines
1.0 KiB
Rust
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#![allow(dead_code)]
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use std::fmt::{self, Display};
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use std::io;
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use thiserror::Error;
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macro_rules! unimplemented_display {
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($ty:ty) => {
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impl Display for $ty {
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fn fmt(&self, _formatter: &mut fmt::Formatter) -> fmt::Result {
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unimplemented!()
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}
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}
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};
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}
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#[derive(Error, Debug)]
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struct BracedError {
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msg: String,
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pos: usize,
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}
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#[derive(Error, Debug)]
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struct TupleError(String, usize);
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#[derive(Error, Debug)]
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struct UnitError;
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#[derive(Error, Debug)]
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struct WithSource {
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#[source]
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cause: io::Error,
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}
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#[derive(Error, Debug)]
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struct WithAnyhow {
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#[source]
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cause: anyhow::Error,
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}
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#[derive(Error, Debug)]
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enum EnumError {
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Braced {
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#[source]
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cause: io::Error,
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},
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Tuple(#[source] io::Error),
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Unit,
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}
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unimplemented_display!(BracedError);
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unimplemented_display!(TupleError);
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unimplemented_display!(UnitError);
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unimplemented_display!(WithSource);
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unimplemented_display!(WithAnyhow);
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unimplemented_display!(EnumError);
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