diff options
Diffstat (limited to 'src/test/ui/generic-associated-types/issue-91883.rs')
-rw-r--r-- | src/test/ui/generic-associated-types/issue-91883.rs | 42 |
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() {} |