mirror of https://github.com/rust-lang/rust
62 lines
2.2 KiB
Plaintext
62 lines
2.2 KiB
Plaintext
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), Region(BrAnon)> extern "rust-call" fn((std::option::Option<std::cell::Cell<&'?1 &'^0 ()>>, &'^1 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), Region(BrAnon)> extern "rust-call" fn((std::option::Option<std::cell::Cell<&'?1 &'^0 ()>>, &'^1 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 | fn generic_fail<'a, T>(cell: Cell<&'a ()>, value: T) {
|
|
| -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
|
|
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 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0309`.
|