File: str-contains-slice-conceptually.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (13 lines) | stat: -rw-r--r-- 275 bytes parent folder | download | duplicates (21)
1
2
3
4
5
6
7
8
9
10
11
12
13
#![feature(negative_impls)]
#![feature(auto_traits)]

auto trait AutoTrait {}

impl<T> !AutoTrait for [T] {}

fn needs_auto_trait<T: AutoTrait + ?Sized>() {}

fn main() {
  needs_auto_trait::<str>();
  //~^ ERROR the trait bound `[u8]: AutoTrait` is not satisfied in `str`
}