46 lines
2.2 KiB
Plaintext
46 lines
2.2 KiB
Plaintext
error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
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--> $DIR/issue-55796.rs:16:9
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LL | Box::new(self.out_edges(u).map(|e| e.target()))
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: first, the lifetime cannot outlive the lifetime 'a as defined on the trait at 5:17...
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--> $DIR/issue-55796.rs:5:17
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LL | pub trait Graph<'a> {
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| ^^
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note: ...so that the type `std::iter::Map<<Self as Graph<'a>>::EdgesIter, [closure@$DIR/issue-55796.rs:16:40: 16:54]>` will meet its required lifetime bounds
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--> $DIR/issue-55796.rs:16:9
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LL | Box::new(self.out_edges(u).map(|e| e.target()))
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: but, the lifetime must be valid for the static lifetime...
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= note: ...so that the expression is assignable:
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expected std::boxed::Box<(dyn std::iter::Iterator<Item=<Self as Graph<'a>>::Node> + 'static)>
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found std::boxed::Box<dyn std::iter::Iterator<Item=<Self as Graph<'a>>::Node>>
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error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
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--> $DIR/issue-55796.rs:21:9
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LL | Box::new(self.in_edges(u).map(|e| e.target()))
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: first, the lifetime cannot outlive the lifetime 'a as defined on the trait at 5:17...
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--> $DIR/issue-55796.rs:5:17
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LL | pub trait Graph<'a> {
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| ^^
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note: ...so that the type `std::iter::Map<<Self as Graph<'a>>::EdgesIter, [closure@$DIR/issue-55796.rs:21:39: 21:53]>` will meet its required lifetime bounds
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--> $DIR/issue-55796.rs:21:9
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LL | Box::new(self.in_edges(u).map(|e| e.target()))
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: but, the lifetime must be valid for the static lifetime...
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= note: ...so that the expression is assignable:
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expected std::boxed::Box<(dyn std::iter::Iterator<Item=<Self as Graph<'a>>::Node> + 'static)>
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found std::boxed::Box<dyn std::iter::Iterator<Item=<Self as Graph<'a>>::Node>>
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0495`.
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