Function rustc_query_system::query::get_query

pub fn get_query<Q, Qcx>(
    qcx: Qcx,
    span: Span,
    key: Q::Key,
    mode: QueryMode
) -> Option<Q::Stored>where
    Q: QueryConfig<Qcx>,
    Q::Key: DepNodeParams<Qcx::DepContext>,
    Q::Value: Value<Qcx::DepContext>,
    Qcx: QueryContext,