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27 lines
619 B
27 lines
619 B
10 months ago
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#![feature(error_generic_member_access)]
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use std::error::{Error, Request};
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use std::fmt::{self, Debug, Display};
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struct MyError(Thing);
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struct Thing;
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impl Debug for MyError {
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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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impl Display for MyError {
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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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impl Error for MyError {
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fn provide<'a>(&'a self, request: &mut Request<'a>) {
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request.provide_ref(&self.0);
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}
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}
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