File: const-generic-type-cycle.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid, trixie
  • size: 893,396 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; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (17 lines) | stat: -rw-r--r-- 410 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
// Verify that we do not ICE when we try to overwrite an anon-const's type because of a trait
// cycle.
//
//@ compile-flags: -Zincremental-ignore-spans
//@ revisions: cpass cfail
//@ error-pattern: cycle detected when computing type of `Bar::N`

#![feature(trait_alias)]
#![crate_type="lib"]

#[cfg(cpass)]
trait Bar<const N: usize> {}

#[cfg(cfail)]
trait Bar<const N: dyn BB> {}

trait BB = Bar<{ 2 + 1 }>;