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anyhow: say this example has fewer custom types

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Ilya Grigoriev 2022-12-23 13:35:40 -08:00 committed by GitHub
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src/error-handling/error-contexts.md
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# Adding Context to Errors
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
use std::{fs, io};