Implement HashStable directly.
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@ -184,5 +184,3 @@ fn def_id_corresponds_to_hir_dep_node(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
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let hir_id = tcx.hir().as_local_hir_id(def_id).unwrap();
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def_id.index == hir_id.owner.local_def_index
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}
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impl rustc_query_system::HashStableContext for StableHashingContext<'_> {}
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@ -46,7 +46,6 @@ use super::{DepContext, DepKind};
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use rustc_data_structures::fingerprint::Fingerprint;
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use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
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use rustc_macros::HashStable_Generic;
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use std::fmt;
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use std::hash::Hash;
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@ -127,7 +126,6 @@ where
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/// the need to be mapped or unmapped. (This ensures we can serialize
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/// them even in the absence of a tcx.)
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#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, RustcEncodable, RustcDecodable)]
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#[derive(HashStable_Generic)]
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pub struct WorkProductId {
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hash: Fingerprint,
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}
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@ -144,3 +142,10 @@ impl WorkProductId {
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WorkProductId { hash: fingerprint }
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}
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}
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impl<HCX> HashStable<HCX> for WorkProductId {
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#[inline]
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fn hash_stable(&self, hcx: &mut HCX, hasher: &mut StableHasher) {
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self.hash.hash_stable(hcx, hasher)
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}
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}
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@ -22,7 +22,7 @@ use std::hash::Hash;
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pub trait DepContext: Copy {
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type DepKind: self::DepKind;
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type StableHashingContext: crate::HashStableContext;
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type StableHashingContext;
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/// Create a hashing context for hashing new results.
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fn create_stable_hashing_context(&self) -> Self::StableHashingContext;
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@ -15,5 +15,3 @@ extern crate rustc_data_structures;
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pub mod dep_graph;
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pub mod query;
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pub trait HashStableContext {}
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