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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/lifetimes/issue-55796.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lifetimes/issue-55796.rs')
-rw-r--r-- | tests/ui/lifetimes/issue-55796.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/lifetimes/issue-55796.rs b/tests/ui/lifetimes/issue-55796.rs new file mode 100644 index 000000000..a7b27a999 --- /dev/null +++ b/tests/ui/lifetimes/issue-55796.rs @@ -0,0 +1,26 @@ +pub trait EdgeTrait<N> { + fn target(&self) -> N; +} + +pub trait Graph<'a> { + type Node; + type Edge: EdgeTrait<Self::Node>; + type NodesIter: Iterator<Item = Self::Node> + 'a; + type EdgesIter: Iterator<Item = Self::Edge> + 'a; + + fn nodes(&'a self) -> Self::NodesIter; + fn out_edges(&'a self, u: &Self::Node) -> Self::EdgesIter; + fn in_edges(&'a self, u: &Self::Node) -> Self::EdgesIter; + + fn out_neighbors(&'a self, u: &Self::Node) -> Box<dyn Iterator<Item = Self::Node>> { + Box::new(self.out_edges(u).map(|e| e.target())) + //~^ ERROR lifetime may not live long enough + } + + fn in_neighbors(&'a self, u: &Self::Node) -> Box<dyn Iterator<Item = Self::Node>> { + Box::new(self.in_edges(u).map(|e| e.target())) + //~^ ERROR lifetime may not live long enough + } +} + +fn main() {} |