File: const-generic-type-cycle.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (17 lines) | stat: -rw-r--r-- 410 bytes parent folder | download | duplicates (7)
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 }>;