File: call-generic-method-dup-bound.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 (33 lines) | stat: -rw-r--r-- 693 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
31
32
33
//@ compile-flags: -Znext-solver
//@ known-bug: #110395
// FIXME(const_trait_impl) check-pass

#![feature(const_trait_impl)]

struct S;

impl const PartialEq for S {
    fn eq(&self, _: &S) -> bool {
        true
    }
    fn ne(&self, other: &S) -> bool {
        !self.eq(other)
    }
}

// This duplicate bound should not result in ambiguities. It should be equivalent to a single ~const
// bound.
const fn equals_self<T: PartialEq + ~const PartialEq>(t: &T) -> bool {
    *t == *t
}

trait A: PartialEq {}
impl<T: PartialEq> A for T {}

const fn equals_self2<T: A + ~const PartialEq>(t: &T) -> bool {
    *t == *t
}

pub const EQ: bool = equals_self(&S) && equals_self2(&S);

fn main() {}