File: subexprs_are_const_evalutable.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (17 lines) | stat: -rw-r--r-- 385 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
//@ run-pass
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]

fn make_array<const M: usize>() -> [(); M + 1] {
    [(); M + 1]
}

fn foo<const N: usize>() -> [(); (N * 2) + 1] {
    make_array::<{ N * 2 }>()
}

fn main() {
    assert_eq!(foo::<10>(), [(); 10 * 2 + 1])
}

// Tests that N * 2 is considered const_evalutable by appearing as part of the (N * 2) + 1 const