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Unify key types in get_lookup.

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This commit is contained in:
Camille GILLOT 2020-03-24 09:27:29 +01:00
parent 301ad11e9b
commit d305b2ccc6
2 changed files with 4 additions and 4 deletions
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4
src/librustc_query_system/query/caches.rs
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@ -8,12 +8,12 @@ use std::default::Default;
use std::hash::Hash; use std::hash::Hash;
use std::marker::PhantomData; use std::marker::PhantomData;
pub trait CacheSelector<CTX: QueryContext, K, V> { pub trait CacheSelector<CTX: QueryContext, K: Hash, V> {
type Cache: QueryCache<CTX, Key = K, Value = V>; type Cache: QueryCache<CTX, Key = K, Value = V>;
} }
pub trait QueryCache<CTX: QueryContext>: Default { pub trait QueryCache<CTX: QueryContext>: Default {
type Key; type Key: Hash;
type Value; type Value;
type Sharded: Default; type Sharded: Default;

4
src/librustc_query_system/query/plumbing.rs
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@ -57,9 +57,9 @@ pub struct QueryState<CTX: QueryContext, C: QueryCache<CTX>> {
} }
impl<CTX: QueryContext, C: QueryCache<CTX>> QueryState<CTX, C> { impl<CTX: QueryContext, C: QueryCache<CTX>> QueryState<CTX, C> {
pub(super) fn get_lookup<'tcx, K2: Hash>( pub(super) fn get_lookup<'tcx>(
&'tcx self, &'tcx self,
key: &K2, key: &C::Key,
) -> QueryLookup<'tcx, CTX, C::Key, C::Sharded> { ) -> QueryLookup<'tcx, CTX, C::Key, C::Sharded> {
// We compute the key's hash once and then use it for both the // We compute the key's hash once and then use it for both the
// shard lookup and the hashmap lookup. This relies on the fact // shard lookup and the hashmap lookup. This relies on the fact