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| author | Dylan DPC <99973273+Dylan-DPC@users.noreply.github.com> | 2022-07-30 20:39:49 +0530 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-07-30 20:39:49 +0530 |
| commit | 79c947443f55bcbfc4a93fdd2ba98cbe50dc3c42 (patch) | |
| tree | 45282072d1e95399c230a05622273971f559a5aa /compiler/rustc_data_structures/src | |
| parent | cfd231a0cbcdbc39543c6f9e5fa2216244a89858 (diff) | |
| parent | d3ad264a91d9efba20c59753d88bc350f99dd952 (diff) | |
| download | rust-79c947443f55bcbfc4a93fdd2ba98cbe50dc3c42.tar.gz rust-79c947443f55bcbfc4a93fdd2ba98cbe50dc3c42.zip | |
Rollup merge of #99900 - lcnr:hash-stable-fun, r=cjgillot
remove some manual hash stable impls
Diffstat (limited to 'compiler/rustc_data_structures/src')
| -rw-r--r-- | compiler/rustc_data_structures/src/stable_hasher.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_data_structures/src/stable_hasher.rs b/compiler/rustc_data_structures/src/stable_hasher.rs index a915a4daa95..ce859173418 100644 --- a/compiler/rustc_data_structures/src/stable_hasher.rs +++ b/compiler/rustc_data_structures/src/stable_hasher.rs @@ -3,6 +3,7 @@ use rustc_index::bit_set; use rustc_index::vec; use smallvec::SmallVec; use std::hash::{BuildHasher, Hash, Hasher}; +use std::marker::PhantomData; use std::mem; #[cfg(test)] @@ -261,6 +262,10 @@ impl<CTX> HashStable<CTX> for ! { } } +impl<CTX, T> HashStable<CTX> for PhantomData<T> { + fn hash_stable(&self, _ctx: &mut CTX, _hasher: &mut StableHasher) {} +} + impl<CTX> HashStable<CTX> for ::std::num::NonZeroU32 { #[inline] fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) { |