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Merge pull request #49 from ilyagr/patch-1

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`anyhow`: Remove `ReadUsernameError::IoError`
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Martin Geisler 2023-01-05 15:57:17 +01:00 committed by GitHub
commit 9a68434cac
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1 changed files with 2 additions and 3 deletions
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5
src/error-handling/error-contexts.md
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@ -1,7 +1,8 @@
# Adding Context to Errors # Adding Context to Errors
The widely used [anyhow](https://docs.rs/anyhow/) crate can help you add The widely used [anyhow](https://docs.rs/anyhow/) crate can help you add
contextual information to your errors: contextual information to your errors and allows you to have fewer
custom error types:
```rust,editable,compile_fail ```rust,editable,compile_fail
use std::{fs, io}; use std::{fs, io};
@ -11,8 +12,6 @@ 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),
} }