rust/tests/ui/feature-gates/feature-gate-offset-of-slice.rs

27 lines
492 B
Rust

use std::mem::offset_of;
struct S {
a: u8,
b: (u8, u8),
c: [i32],
}
struct T {
x: i32,
y: S,
}
type Tup = (i32, [i32]);
fn main() {
offset_of!(S, c); //~ ERROR size for values of type `[i32]` cannot be known at compilation time
}
fn other() {
offset_of!(T, y); //~ ERROR size for values of type `[i32]` cannot be known at compilation time
}
fn tuple() {
offset_of!(Tup, 1); //~ ERROR size for values of type `[i32]` cannot be known at compilation time
}