File: const-default-method-bodies.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 893,176 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (30 lines) | stat: -rw-r--r-- 494 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
//@ compile-flags: -Znext-solver
#![feature(const_trait_impl)]

#[const_trait]
trait ConstDefaultFn: Sized {
    fn b(self);

    fn a(self) {
        self.b();
    }
}

struct NonConstImpl;
struct ConstImpl;

impl ConstDefaultFn for NonConstImpl {
    fn b(self) {}
}

impl const ConstDefaultFn for ConstImpl {
    fn b(self) {}
}

const fn test() {
    NonConstImpl.a();
    //~^ ERROR the trait bound `NonConstImpl: ~const ConstDefaultFn` is not satisfied
    ConstImpl.a();
}

fn main() {}