rust/tests/compile-fail/undefined_byte_read.rs

7 lines
220 B
Rust

fn main() {
let v: Vec<u8> = Vec::with_capacity(10);
let undef = unsafe { *v.get_unchecked(5) };
let x = undef + 1; //~ ERROR attempted to read undefined bytes
panic!("this should never print: {}", x);
}