| // This is just checking that we still reject code where temp values |
| // are borrowing values for longer than they will be around. |
| // |
| // Compare to run-pass/issue-23338-params-outlive-temps-of-body.rs |
| |
| use std::cell::RefCell; |
| |
| fn foo(x: RefCell<String>) -> String { |
| let y = x; |
| y.borrow().clone() |
| } |
| //~^^ ERROR `y` does not live long enough |
| |
| fn foo2(x: RefCell<String>) -> String { |
| let ret = { |
| let y = x; |
| y.borrow().clone() |
| }; |
| //~^^ ERROR `y` does not live long enough |
| ret |
| } |
| |
| fn main() { |
| let r = RefCell::new(format!("data")); |
| assert_eq!(foo(r), "data"); |
| let r = RefCell::new(format!("data")); |
| assert_eq!(foo2(r), "data"); |
| } |