// EXIT:3
// OUTPUT:index out of bounds
// OUTPUT:pick.fe:6
// NOCHECKS:0
unit main;

import pick;

// A build is many units in one module. A trap has to name the file the check
// was written in, not the file the program was started from.

const S: str = "abc";

fn main() -> i32 {
    let c: u8 = pick.at(S, 9);
    // Without the checks the read runs off the end and `c` is whatever
    // was there, so nothing is decided by its value.
    if c == 0 { return 0; }
    return 0;
}