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//@ check-pass
// Regression test for #112832.
pub trait QueryDb {
type Db;
}
pub struct QueryTable<Q, DB> {
db: DB,
storage: Q,
}
// We normalize `<Q as QueryDb>::Db` to `<Q as AsyncQueryFunction<'d>>::SendDb`
// using the where-bound. 'd is an unconstrained region variable which previously
// triggered an assert.
impl<Q> QueryTable<Q, <Q as QueryDb>::Db> where Q: for<'d> AsyncQueryFunction<'d> {}
pub trait AsyncQueryFunction<'d>: QueryDb<Db = <Self as AsyncQueryFunction<'d>>::SendDb> {
type SendDb: 'd;
}
pub trait QueryStorageOpsAsync<Q>
where
Q: for<'d> AsyncQueryFunction<'d>,
{
}
fn main() {}
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