rust/src/test/ui/consts/const-eval/infinite_loop.rs
Dylan MacKenzie d84f0c8d32 Update tests
2020-06-28 10:08:12 -07:00

12 lines
408 B
Rust

fn main() {
// Tests the Collatz conjecture with an incorrect base case (0 instead of 1).
// The value of `n` will loop indefinitely (4 - 2 - 1 - 4).
let _ = [(); {
let mut n = 113383; // #20 in https://oeis.org/A006884
while n != 0 {
n = if n % 2 == 0 { n/2 } else { 3*n + 1 };
//~^ ERROR evaluation of constant value failed
}
n
}];
}