Implement Testable for () #80
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It is sufficient to constrain the error type to be `Debug + Send + 'static` instead of limiting it to `String` only.
This allows for some useful patterns, such as - testing functions without a return value that only fail by panicking, - testing functions that return a `Result<(), ...>` that only fail by returning an error.
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Good idea! Thanks! :-) |
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This allows for some useful patterns, such as
Result<(), ...>that only fail by returning an error.(This is based on top of #79.)