diff options
Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_data_structures/src/stable_hasher.rs | 8 | ||||
-rw-r--r-- | compiler/rustc_data_structures/src/stable_hasher/tests.rs | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/compiler/rustc_data_structures/src/stable_hasher.rs b/compiler/rustc_data_structures/src/stable_hasher.rs index ae4836645..e0d77cdae 100644 --- a/compiler/rustc_data_structures/src/stable_hasher.rs +++ b/compiler/rustc_data_structures/src/stable_hasher.rs @@ -486,6 +486,14 @@ impl<HCX> ToStableHashKey<HCX> for String { } } +impl<HCX, T1: ToStableHashKey<HCX>, T2: ToStableHashKey<HCX>> ToStableHashKey<HCX> for (T1, T2) { + type KeyType = (T1::KeyType, T2::KeyType); + #[inline] + fn to_stable_hash_key(&self, hcx: &HCX) -> Self::KeyType { + (self.0.to_stable_hash_key(hcx), self.1.to_stable_hash_key(hcx)) + } +} + impl<CTX> HashStable<CTX> for bool { #[inline] fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) { diff --git a/compiler/rustc_data_structures/src/stable_hasher/tests.rs b/compiler/rustc_data_structures/src/stable_hasher/tests.rs index b0d66c32a..724be5888 100644 --- a/compiler/rustc_data_structures/src/stable_hasher/tests.rs +++ b/compiler/rustc_data_structures/src/stable_hasher/tests.rs @@ -150,7 +150,7 @@ fn test_isize_compression() { let hash_b = hash(&(b as isize, a as isize)); assert_ne!( hash_a, hash_b, - "The hash stayed the same when permuting values `{a}` and `{b}!", + "The hash stayed the same when permuting values `{a}` and `{b}`!", ); } |