| error[E0308]: mismatched types |
| --> $DIR/missing-universe-cause-issue-114907.rs:33:5 |
| | |
| LL | accept(callback); |
| | ^^^^^^^^^^^^^^^^ one type is more general than the other |
| | |
| = note: expected trait `for<'a> FnOnce<(&'a (),)>` |
| found trait `FnOnce<(&(),)>` |
| note: this closure does not fulfill the lifetime requirements |
| --> $DIR/missing-universe-cause-issue-114907.rs:32:20 |
| | |
| LL | let callback = |_| {}; |
| | ^^^ |
| note: the lifetime requirement is introduced here |
| --> $DIR/missing-universe-cause-issue-114907.rs:27:14 |
| | |
| LL | fn accept<C: FnOnce(&())>(_: C) -> Handshake<HandshakeCallback<C>> { |
| | ^^^^^^^^^^^ |
| help: consider specifying the type of the closure parameters |
| | |
| LL | let callback = |_: &_| {}; |
| | ~~~~~~~ |
| |
| error: implementation of `FnOnce` is not general enough |
| --> $DIR/missing-universe-cause-issue-114907.rs:33:5 |
| | |
| LL | accept(callback); |
| | ^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough |
| | |
| = note: closure with signature `fn(&'2 ())` must implement `FnOnce<(&'1 (),)>`, for any lifetime `'1`... |
| = note: ...but it actually implements `FnOnce<(&'2 (),)>`, for some specific lifetime `'2` |
| |
| error: implementation of `FnOnce` is not general enough |
| --> $DIR/missing-universe-cause-issue-114907.rs:33:5 |
| | |
| LL | accept(callback); |
| | ^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough |
| | |
| = note: closure with signature `fn(&'2 ())` must implement `FnOnce<(&'1 (),)>`, for any lifetime `'1`... |
| = note: ...but it actually implements `FnOnce<(&'2 (),)>`, for some specific lifetime `'2` |
| = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` |
| |
| error[E0308]: mismatched types |
| --> $DIR/missing-universe-cause-issue-114907.rs:33:5 |
| | |
| LL | accept(callback); |
| | ^^^^^^^^^^^^^^^^ one type is more general than the other |
| | |
| = note: expected trait `for<'a> FnOnce<(&'a (),)>` |
| found trait `FnOnce<(&(),)>` |
| note: this closure does not fulfill the lifetime requirements |
| --> $DIR/missing-universe-cause-issue-114907.rs:32:20 |
| | |
| LL | let callback = |_| {}; |
| | ^^^ |
| note: the lifetime requirement is introduced here |
| --> $DIR/missing-universe-cause-issue-114907.rs:20:21 |
| | |
| LL | struct Handshake<R: Role> { |
| | ^^^^ |
| help: consider specifying the type of the closure parameters |
| | |
| LL | let callback = |_: &_| {}; |
| | ~~~~~~~ |
| |
| error: higher-ranked subtype error |
| --> $DIR/missing-universe-cause-issue-114907.rs:33:21 |
| | |
| LL | accept(callback); |
| | ^ |
| |
| error: higher-ranked subtype error |
| --> $DIR/missing-universe-cause-issue-114907.rs:33:21 |
| | |
| LL | accept(callback); |
| | ^ |
| | |
| = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` |
| |
| error: aborting due to 6 previous errors |
| |
| For more information about this error, try `rustc --explain E0308`. |