Silence TooGeneric
error
This error may be produced during intermediate failed attempts at evaluation of a generic const, which may nevertheless succeed later.
This commit is contained in:
parent
760ce94c69
commit
adb46fd0a4
4 changed files with 41 additions and 1 deletions
|
@ -0,0 +1,23 @@
|
|||
// run-pass
|
||||
|
||||
#![feature(const_generics)]
|
||||
//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash
|
||||
|
||||
#[allow(dead_code)]
|
||||
struct ArithArrayLen<const N: usize>([u32; 0 + N]); // ok
|
||||
|
||||
#[derive(PartialEq, Eq)]
|
||||
struct Config {
|
||||
arr_size: usize,
|
||||
}
|
||||
|
||||
struct B<const CFG: Config> {
|
||||
arr: [u8; CFG.arr_size], // ok
|
||||
}
|
||||
|
||||
const C: Config = Config { arr_size: 5 };
|
||||
|
||||
fn main() {
|
||||
let b = B::<C> { arr: [1, 2, 3, 4, 5] };
|
||||
assert_eq!(b.arr.len(), 5);
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue