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[](https://ghit.me/repo/benwilber/exitcode) [](https://travis-ci.org/benwilber/exitcode) [](https://crates.io/crates/exitcode)
# exitcode
System exit code constants as defined by [sysexits.h](https://www.freebsd.org/cgi/man.cgi?query=sysexits&apropos=0&sektion=0&manpath=FreeBSD+4.3-RELEASE&format=html)
Documentation is available [here](https://docs.rs/exitcode)
# Installing from [crates.io](https://crates.io/crates/exitcode)
```
[dependencies]
exitcode = "1.1.2"
```
# Example
```rust
extern crate exitcode;
use std::process;
pub fn parse_int_or_return_error_exitcode(s: String) -> Result<i32, exitcode::ExitCode> {
match s.parse::<i32>() {
Ok(i) => Ok(i),
Err(_) => Err(exitcode::USAGE)
}
}
pub fn main() {
match parse_int_or_return_error_exitcode("123".to_string()) {
Ok(i) => println!("Parsed: {}", i),
Err(code) => {
println!("Parse error. Exiting with code: {}", code);
process::exit(code);
}
}
match parse_int_or_return_error_exitcode("foo".to_string()) {
Ok(i) => println!("Parsed: {}", i),
Err(code) => {
println!("Parse error. Exiting with code: {}", code);
process::exit(code);
}
}
println!("Exiting with code: {}", exitcode::OK);
process::exit(exitcode::OK);
}
```
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