Trait rustc_query_system::query::config::QueryDescription

pub trait QueryDescription<CTX: QueryContext>: QueryConfig {
    type Cache: QueryCache<Key = Self::Key, Stored = Self::Stored, Value = Self::Value>;

    const TRY_LOAD_FROM_DISK: Option<fn(_: CTX, _: SerializedDepNodeIndex) -> Option<Self::Value>>;

    fn describe(tcx: CTX, key: Self::Key) -> String;
    fn query_state<'a>(tcx: CTX) -> &'a QueryState<CTX::DepKind, Self::Key>
    where
        CTX: 'a;
    fn query_cache<'a>(tcx: CTX) -> &'a QueryCacheStore<Self::Cache>
    where
        CTX: 'a;
    fn make_vtable(
        tcx: CTX, 
        key: &Self::Key
    ) -> QueryVtable<CTX, Self::Key, Self::Value>;
    fn cache_on_disk(tcx: CTX::DepContext, key: &Self::Key) -> bool;
}

Associated Types

type Cache: QueryCache<Key = Self::Key, Stored = Self::Stored, Value = Self::Value>

Associated Constants

const TRY_LOAD_FROM_DISK: Option<fn(_: CTX, _: SerializedDepNodeIndex) -> Option<Self::Value>>

Required methods

fn describe(tcx: CTX, key: Self::Key) -> String

fn query_state<'a>(tcx: CTX) -> &'a QueryState<CTX::DepKind, Self::Key> where
    CTX: 'a, 

fn query_cache<'a>(tcx: CTX) -> &'a QueryCacheStore<Self::Cache> where
    CTX: 'a, 

fn make_vtable(
    tcx: CTX,
    key: &Self::Key
) -> QueryVtable<CTX, Self::Key, Self::Value>

fn cache_on_disk(tcx: CTX::DepContext, key: &Self::Key) -> bool

Implementors