error-chain 0.7.1

# error-chain - Consistent error handling for Rust


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`error-chain` is a crate for dealing with Rust error boilerplate. It
provides a few unique features:

* No error is ever discarded. This library primarily makes it easy to
  "chain" errors with the `chain_err` method.
* Introducing new errors is trivial. Simple errors can be introduced
  at the error site with just a string.
* Errors can create and propagate backtraces.

[Documentation (crates.io)](https://docs.rs/error-chain).

[Documentation (master)](https://brson.github.io/error-chain).

## Quick start


See the [quickstart example](examples/quickstart.rs).

## License


MIT/Apache-2.0