File: dont-evaluate-array-len-on-err-1.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 (22 lines) | stat: -rw-r--r-- 484 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]

// This tests that during error handling for the "trait not implemented" error
// we dont try to evaluate std::mem::size_of::<Self::Assoc> causing an ICE

struct Adt;

trait Foo {
    type Assoc;
    fn foo()
    where
        [Adt; std::mem::size_of::<Self::Assoc>()]: ,
    {
        <[Adt; std::mem::size_of::<Self::Assoc>()] as Foo>::bar()
        //~^ Error: the trait bound
    }

    fn bar() {}
}

fn main() {}