| note: external requirements |
| --> $DIR/ty-param-closure-approximate-lower-bound.rs:24:24 |
| | |
| LL | twice(cell, value, |a, b| invoke(a, b)); |
| | ^^^^^^ |
| | |
| = note: defining type: generic::<T>::{closure#0} with closure args [ |
| i16, |
| for<Region(BrAnon(None)), Region(BrAnon(None))> extern "rust-call" fn((std::option::Option<std::cell::Cell<&'?1 &ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrAnon(None) }) ()>>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrAnon(None) }) T)), |
| (), |
| ] |
| = note: number of external vids: 2 |
| = note: where T: '?1 |
| |
| note: no external requirements |
| --> $DIR/ty-param-closure-approximate-lower-bound.rs:22:1 |
| | |
| LL | fn generic<T>(value: T) { |
| | ^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: defining type: generic::<T> |
| |
| note: external requirements |
| --> $DIR/ty-param-closure-approximate-lower-bound.rs:29:24 |
| | |
| LL | twice(cell, value, |a, b| invoke(a, b)); |
| | ^^^^^^ |
| | |
| = note: defining type: generic_fail::<T>::{closure#0} with closure args [ |
| i16, |
| for<Region(BrAnon(None)), Region(BrAnon(None))> extern "rust-call" fn((std::option::Option<std::cell::Cell<&'?1 &ReLateBound(DebruijnIndex(0), BoundRegion { var: 0, kind: BrAnon(None) }) ()>>, &ReLateBound(DebruijnIndex(0), BoundRegion { var: 1, kind: BrAnon(None) }) T)), |
| (), |
| ] |
| = note: late-bound region is '?2 |
| = note: number of external vids: 3 |
| = note: where T: '?1 |
| |
| note: no external requirements |
| --> $DIR/ty-param-closure-approximate-lower-bound.rs:28:1 |
| | |
| LL | fn generic_fail<'a, T>(cell: Cell<&'a ()>, value: T) { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: defining type: generic_fail::<T> |
| |
| error[E0309]: the parameter type `T` may not live long enough |
| --> $DIR/ty-param-closure-approximate-lower-bound.rs:29:31 |
| | |
| LL | twice(cell, value, |a, b| invoke(a, b)); |
| | ^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds |
| | |
| help: consider adding an explicit lifetime bound... |
| | |
| LL | fn generic_fail<'a, T: 'a>(cell: Cell<&'a ()>, value: T) { |
| | ++++ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0309`. |