rust/tests/pretty/never-pattern.pp
Vadim Petrochenkov c56f49dc34 expand: Micro-optimize prelude injection
Use `splice` to avoid shifting the other items twice.
Put `extern crate std;` first so it's already resolved when we resolve `::std::prelude::rust_20XX`.
2025-07-28 17:35:09 +03:00

18 lines
358 B
Rust

#![feature(prelude_import)]
#![no_std]
//@ pretty-mode:expanded
//@ pp-exact:never-pattern.pp
//@ only-x86_64
#![allow(incomplete_features)]
#![feature(never_patterns)]
#![feature(never_type)]
#[macro_use]
extern crate std;
#[prelude_import]
use ::std::prelude::rust_2015::*;
fn f(x: Result<u32, !>) { _ = match x { Ok(x) => x, Err(!) , }; }
fn main() {}