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anyhow: Remove ReadUsernameError::IoError

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As far as I understand, the example with the `anyhow` example
does not use its special `IoError` anymore, unlike the previous
example with just `thiserror`.

I think this should be made clear. I considered just adding a
`// Now unused` comment, but I think ti's clearer to just remove
the unused code.
This commit is contained in:
Ilya Grigoriev 2022-12-23 13:32:03 -08:00 committed by GitHub
parent 0218fdb1f0
commit 894e694cdb
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src/error-handling/error-contexts.md
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@ -11,8 +11,6 @@ use anyhow::{Context, Result};
#[derive(Error, Debug)] #[derive(Error, Debug)]
enum ReadUsernameError { enum ReadUsernameError {
#[error("Could not read: {0}")]
IoError(#[from] io::Error),
#[error("Found no username in {0}")] #[error("Found no username in {0}")]
EmptyUsername(String), EmptyUsername(String),
} }