rust/tests/ui/borrowck/suggest-mut-iterator.rs
2024-02-16 20:02:50 +00:00

31 lines
566 B
Rust

//@ run-rustfix
struct Test {
a: u32
}
impl Test {
pub fn add(&mut self, value: u32) {
self.a += value;
}
pub fn print_value(&self) {
println!("Value of a is: {}", self.a);
}
}
fn main() {
let mut tests = Vec::new();
for i in 0..=10 {
tests.push(Test {a: i});
}
for test in &tests {
test.add(2); //~ ERROR cannot borrow `*test` as mutable, as it is behind a `&` reference
}
for test in &mut tests {
test.add(2);
}
for test in &tests {
test.print_value();
}
}