80 lines
2.8 KiB
Plaintext
80 lines
2.8 KiB
Plaintext
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error[E0308]: mismatched types
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--> $DIR/missing-universe-cause-issue-114907.rs:33:5
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LL | accept(callback);
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| ^^^^^^^^^^^^^^^^ one type is more general than the other
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= note: expected trait `for<'a> FnOnce<(&'a (),)>`
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found trait `FnOnce<(&(),)>`
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note: this closure does not fulfill the lifetime requirements
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--> $DIR/missing-universe-cause-issue-114907.rs:32:20
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LL | let callback = |_| {};
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| ^^^
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note: the lifetime requirement is introduced here
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--> $DIR/missing-universe-cause-issue-114907.rs:27:14
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LL | fn accept<C: FnOnce(&())>(_: C) -> Handshake<HandshakeCallback<C>> {
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| ^^^^^^^^^^^
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help: consider specifying the type of the closure parameters
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LL | let callback = |_: &_| {};
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| ~~~~~~~
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error: implementation of `FnOnce` is not general enough
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--> $DIR/missing-universe-cause-issue-114907.rs:33:5
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LL | accept(callback);
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| ^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
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= note: closure with signature `fn(&'2 ())` must implement `FnOnce<(&'1 (),)>`, for any lifetime `'1`...
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= note: ...but it actually implements `FnOnce<(&'2 (),)>`, for some specific lifetime `'2`
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error: implementation of `FnOnce` is not general enough
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--> $DIR/missing-universe-cause-issue-114907.rs:33:5
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LL | accept(callback);
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| ^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough
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= note: closure with signature `fn(&'2 ())` must implement `FnOnce<(&'1 (),)>`, for any lifetime `'1`...
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= note: ...but it actually implements `FnOnce<(&'2 (),)>`, for some specific lifetime `'2`
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error[E0308]: mismatched types
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--> $DIR/missing-universe-cause-issue-114907.rs:33:5
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LL | accept(callback);
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| ^^^^^^^^^^^^^^^^ one type is more general than the other
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= note: expected trait `for<'a> FnOnce<(&'a (),)>`
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found trait `FnOnce<(&(),)>`
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note: this closure does not fulfill the lifetime requirements
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--> $DIR/missing-universe-cause-issue-114907.rs:32:20
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LL | let callback = |_| {};
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| ^^^
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note: the lifetime requirement is introduced here
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--> $DIR/missing-universe-cause-issue-114907.rs:20:21
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LL | struct Handshake<R: Role> {
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| ^^^^
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help: consider specifying the type of the closure parameters
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LL | let callback = |_: &_| {};
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| ~~~~~~~
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error: higher-ranked subtype error
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--> $DIR/missing-universe-cause-issue-114907.rs:33:21
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LL | accept(callback);
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| ^
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error: higher-ranked subtype error
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--> $DIR/missing-universe-cause-issue-114907.rs:33:21
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LL | accept(callback);
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| ^
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error: aborting due to 6 previous errors
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For more information about this error, try `rustc --explain E0308`.
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