| // run-pass |
| #![allow(unused_variables)] |
| |
| #![feature(coroutines)] |
| |
| use std::cell::RefCell; |
| |
| struct A; |
| |
| impl A { |
| fn test(&self, a: ()) {} |
| } |
| |
| fn main() { |
| // Test that the MIR local with type &A created for the auto-borrow adjustment |
| // is caught by typeck |
| move || { //~ WARN unused coroutine that must be used |
| A.test(yield); |
| }; |
| |
| // Test that the std::cell::Ref temporary returned from the `borrow` call |
| // is caught by typeck |
| let y = RefCell::new(true); |
| static move || { //~ WARN unused coroutine that must be used |
| yield *y.borrow(); |
| return "Done"; |
| }; |
| } |