File: abstract-const-as-cast-2.rs

package info (click to toggle)
rustc-web 1.70.0%2Bdfsg1-7~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,517,036 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,006; asm: 2,856
file content (20 lines) | stat: -rw-r--r-- 770 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]

struct Evaluatable<const N: u128> {}

struct Foo<const N: u8>([u8; N as usize])
//~^ Error: unconstrained generic constant
//~| help: try adding a `where` bound using this expression: `where [(); N as usize]:`
where
    Evaluatable<{N as u128}>:;

struct Foo2<const N: u8>(Evaluatable::<{N as u128}>) where Evaluatable<{N as usize as u128 }>:;
//~^ Error: unconstrained generic constant
//~| help: try adding a `where` bound using this expression: `where [(); {N as u128}]:`

struct Bar<const N: u8>([u8; (N + 2) as usize]) where [(); (N + 1) as usize]:;
//~^ Error: unconstrained generic constant
//~| help: try adding a `where` bound using this expression: `where [(); (N + 2) as usize]:`

fn main() {}