File: global-cache.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, 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 (23 lines) | stat: -rw-r--r-- 536 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
//@ compile-flags: -Znext-solver

// Check that we consider the reached depth of global cache
// entries when detecting overflow. We would otherwise be unstable
// wrt to incremental compilation.
#![recursion_limit = "9"]

trait Trait {}

struct Inc<T>(T);

impl<T: Trait> Trait for Inc<T> {}
impl Trait for () {}

fn impls_trait<T: Trait>() {}

type Four<T> = Inc<Inc<Inc<Inc<T>>>>;

fn main() {
    impls_trait::<Four<Four<()>>>();
    impls_trait::<Four<Four<Four<Four<()>>>>>();
    //~^ ERROR overflow evaluating the requirement
}