The nightly_crimes!{} macro commits horrible crimes to allow you to enable nightly features on the stable compiler.

Related tags

Miscellaneous nightly-crimes
Overview

nightly-crimes

The nightly_crimes!{} macro commits horrible crimes to allow you to enable nightly features on the stable compiler.

https://twitter.com/m_ou_se/status/1410930900116951040

Please do not use this.

Example

use nightly_crimes::nightly_crimes;

nightly_crimes! {
    #![feature(never_type)]
    #![feature(box_syntax)]
    fn hey(x: Result<&str, !>) -> Box<String> {
        match x {
            Ok(x) => box x.to_string(),
            Err(x) => x,
        }
    }
}

fn main() {
    println!("{}", hey(Ok("success!")));
}
$ cargo +stable r
success!
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Comments
  • I'm a Time Traveller: Please merge this

    I'm a Time Traveller: Please merge this

    In 2050 this has caused:

    • Unsafe code is now mandated safe by law
    • Rust is illegal
    • C/C++ is the only programming language allowed to be used
    • Canada is no longer a country

    Please merge this to fix the timeline.

    opened by ecumene 1
Owner
Mara Bos
she/her
Mara Bos
GitHub
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