fn test(_x: &mut String) {} | |
fn test2(_x: &mut i32) {} | |
fn main() { | |
let x: usize = String::new(); | |
//~^ ERROR E0308 | |
let x: &str = String::new(); | |
//~^ ERROR E0308 | |
let y = String::new(); | |
test(&y); | |
//~^ ERROR E0308 | |
test2(&y); | |
//~^ ERROR E0308 | |
let s = &mut String::new(); | |
s = format!("foo"); | |
//~^ ERROR E0308 | |
} |