rustc_query_system::query::plumbing

Function try_get_cached

Source 
pub fn try_get_cached<Tcx, C>(
    tcx: Tcx,
    cache: &C,
    key: &C::Key,
) -> Option<C::Value>
where
    C: QueryCache,
    Tcx: DepContext,
Expand description

Checks whether there is already a value for this key in the in-memory query cache, returning that value if present.

(Also performs some associated bookkeeping, if a value was found.)