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-rw-r--r--src/test/ui/generic-associated-types/issue-91883.rs42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/generic-associated-types/issue-91883.rs b/src/test/ui/generic-associated-types/issue-91883.rs
new file mode 100644
index 000000000..3d4585a44
--- /dev/null
+++ b/src/test/ui/generic-associated-types/issue-91883.rs
@@ -0,0 +1,42 @@
+#![feature(generic_associated_types)]
+
+use std::fmt::Debug;
+use std::marker::PhantomData;
+
+#[derive(Debug)]
+pub struct TransactionImpl<'db> {
+ _marker: PhantomData<&'db ()>,
+}
+
+#[derive(Debug)]
+pub struct CursorImpl<'txn> {
+ _marker: PhantomData<&'txn ()>,
+}
+
+pub trait Cursor<'txn> {}
+
+pub trait Transaction<'db>: Send + Sync + Debug + Sized {
+ type Cursor<'tx>: Cursor<'tx>
+ where
+ 'db: 'tx,
+ Self: 'tx;
+
+ fn cursor<'tx>(&'tx self) -> Result<Self::Cursor<'tx>, ()>
+ where
+ 'db: 'tx;
+}
+
+impl<'tx> Cursor<'tx> for CursorImpl<'tx> {}
+
+impl<'db> Transaction<'db> for TransactionImpl<'db> {
+ type Cursor<'tx> = CursorImpl<'tx>; //~ ERROR lifetime bound not satisfied
+
+ fn cursor<'tx>(&'tx self) -> Result<Self::Cursor<'tx>, ()>
+ where
+ 'db: 'tx,
+ {
+ loop {}
+ }
+}
+
+fn main() {}