# proc-exit
> Exit codes for process termination
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## Features
- `i32` newtype for exit codes
- Can represent any valid exit code
- Type safe, operations are restricted to what is valid for exit codes
- Includes standard exit codes and signal exit codes
- Integrate with `main`, `std::process`, and `std::io::Error`
- Supports exiting silently (error message reported through another means)
## Install
Add to your `Cargo.toml`:
```toml
[dependencies]
proc-exit = "0.1"
```
Feature flags:
- `portable`: Coerce exit codes to `u8` for consistent, cross-platform, behavior
## Relevant crates
Other crates that might be useful in testing command line programs.
- [duct][duct] for orchestrating multiple processes.
- or [commandspec][commandspec] for easier writing of commands
- [rexpect][rexpect] for controlling interactive programs.
- [`assert_cmd`][assert_cmd] can be reused to simplify controlling CLIs
[duct]: https://crates.io/crates/duct
[rexpect]: https://crates.io/crates/rexpect
[assert_cmd]: https://crates.io/crates/assert_cmd
[commandspec]: https://crates.io/crates/commandspec
## Related crates
Some crates that fill a similar role include:
- [sysexit][sysexit]
- Uses an enum, making certain states unpresentable
- Includes signals
- Integrates with `std::process` and `std::io::Error`
- Doesn't integrate with `main`
- [exit-code][exit-code]
- `i32` constants and helper methods
- Doesn't include signals
- Doesn't integrate with `main`, `std::process`, or `std::io::Error`
- [exitcode][exitcode]
- `i32` constants and helper methods
- Doesn't include signals
- Doesn't integrate with `main`, `std::process`, or `std::io::Error`
- [exitfailure][exitfailure]
- Allows `Display`able errors to be used with [`?` in `main()`](https://github.com/rust-lang/rust/issues/43301)
[sysexit]: https://crates.io/crates/sysexit
[exit-code]: https://crates.io/crates/exit-code
[exitcode]: https://crates.io/crates/exitcode
[exitfailure]: https://crates.io/crates/exitfailure
## License
Licensed under either of
- Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally
submitted for inclusion in the work by you, as defined in the Apache-2.0
license, shall be dual licensed as above, without any additional terms or
conditions.
[Crates.io]: https://crates.io/crates/proc-exit
[Documentation]: https://docs.rs/proc-exit