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docs: Mention anyhow for error handling in UT doc

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Add a comment stating that `anyhow` and `thiserror` should be used in
real rust code, rather than the unwieldy default `Result` handling
shown in the example.

Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
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James O. D. Hunt 2021-11-23 10:25:16 +00:00
parent 318b3f187b
commit 9fed7d0bde
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docs/Unit-Test-Advice.md
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@ -120,6 +120,8 @@ Assume the following function:
```rust
// Convenience type to allow Result return types to only specify the type
// for the true case; failures are specified as static strings.
// XXX: This is an example. In real code use the "anyhow" and
// XXX: "thiserror" crates.
pub type Result<T> = std::result::Result<T, &'static str>;
// The function under test.