rust/src/test/ui/mut/mutable-class-fields.rs
2018-12-25 21:08:33 -07:00

20 lines
355 B
Rust

// revisions: ast mir
//[mir]compile-flags: -Z borrowck=mir
struct Cat {
meows : usize,
how_hungry : isize,
}
fn cat(in_x : usize, in_y : isize) -> Cat {
Cat {
meows: in_x,
how_hungry: in_y
}
}
fn main() {
let nyan : Cat = cat(52, 99);
nyan.how_hungry = 0; //[ast]~ ERROR cannot assign
//[mir]~^ ERROR cannot assign
}