16 lines
304 B
Rust
16 lines
304 B
Rust
use std::rc::Rc;
|
|
|
|
fn main() {
|
|
let a = Rc::new(0);
|
|
|
|
println!("{}", Rc::strong_count(&a));
|
|
let b = a.clone();
|
|
println!("{}", Rc::strong_count(&a));
|
|
let c = Rc::clone(&a);
|
|
println!("{}", Rc::strong_count(&a));
|
|
|
|
println!("{}", a);
|
|
println!("{}", b);
|
|
println!("{}", c);
|
|
}
|