exitfailure 0.5.1

A basic newtype wrappers for use with ? in main
Documentation 
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extern crate exitfailure;

use exitfailure::ExitDisplay;

fn main() -> Result<(), ExitDisplay<String>> {
    Ok(some_fn()?)
}

fn some_fn() -> Result<(), String> {
    Err("this is an error message".into())
}