Trait QueryConfig

Source

pub trait QueryConfig<Qcx: QueryContext>: Copy {
    type Key: DepNodeParams<Qcx::DepContext> + Eq + Hash + Copy + Debug;
    type Value: Copy;
    type Cache: QueryCache<Key = Self::Key, Value = Self::Value>;

Show 18 methods    // Required methods
    fn name(self) -> &'static str;
    fn format_value(self) -> fn(_: &Self::Value) -> String;
    fn query_state<'a>(self, tcx: Qcx) -> &'a QueryState<Self::Key>
       where Qcx: 'a;
    fn query_cache<'a>(self, tcx: Qcx) -> &'a Self::Cache
       where Qcx: 'a;
    fn cache_on_disk(self, tcx: Qcx::DepContext, key: &Self::Key) -> bool;
    fn execute_query(self, tcx: Qcx::DepContext, k: Self::Key) -> Self::Value;
    fn compute(self, tcx: Qcx, key: Self::Key) -> Self::Value;
    fn try_load_from_disk(
        self,
        tcx: Qcx,
        key: &Self::Key,
        prev_index: SerializedDepNodeIndex,
        index: DepNodeIndex,
    ) -> Option<Self::Value>;
    fn loadable_from_disk(
        self,
        qcx: Qcx,
        key: &Self::Key,
        idx: SerializedDepNodeIndex,
    ) -> bool;
    fn value_from_cycle_error(
        self,
        tcx: Qcx::DepContext,
        cycle_error: &CycleError,
        guar: ErrorGuaranteed,
    ) -> Self::Value;
    fn anon(self) -> bool;
    fn eval_always(self) -> bool;
    fn depth_limit(self) -> bool;
    fn feedable(self) -> bool;
    fn dep_kind(self) -> DepKind;
    fn handle_cycle_error(self) -> HandleCycleError;
    fn hash_result(self) -> HashResult<Self::Value>;

    // Provided method
    fn construct_dep_node(
        self,
        tcx: Qcx::DepContext,
        key: &Self::Key,
    ) -> DepNode { ... }
}