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wait_for_query

rustc_query_system::query::plumbing

Function wait_for_query 

Source 
fn wait_for_query<'tcx, Q>(
    query: Q,
    qcx: Q::Qcx,
    span: Span,
    key: Q::Key,
    latch: QueryLatch<'tcx>,
    current: Option<QueryJobId>,
) -> (Q::Value, Option<DepNodeIndex>)
where
    Q: QueryDispatcher<'tcx>,