File: issue-54954.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: 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 (17 lines) | stat: -rw-r--r-- 334 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
const ARR_LEN: usize = Tt::const_val::<[i8; 123]>();
//~^ ERROR E0790

trait Tt {
    const fn const_val<T: Sized>() -> usize {
        //~^ ERROR functions in traits cannot be declared const
        core::mem::size_of::<T>()
    }
}

fn f(z: [f32; ARR_LEN]) -> [f32; ARR_LEN] {
    z
}

fn main() {
    let _ = f([1f32; ARR_LEN]);
}