From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- vendor/precomputed-hash/src/lib.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 vendor/precomputed-hash/src/lib.rs (limited to 'vendor/precomputed-hash/src/lib.rs') diff --git a/vendor/precomputed-hash/src/lib.rs b/vendor/precomputed-hash/src/lib.rs new file mode 100644 index 000000000..9cdb45d5b --- /dev/null +++ b/vendor/precomputed-hash/src/lib.rs @@ -0,0 +1,22 @@ +//! A base trait to expose a precomputed hash for a type. + +/// A trait to expose a precomputed hash for a type. +pub trait PrecomputedHash { + // TODO(emilio): Perhaps an associated type would be on point here. + + /// Return the precomputed hash for this item. + fn precomputed_hash(&self) -> u32; +} + +// These are equivalent to the `std::Hash` impls. +impl<'a, T: PrecomputedHash> PrecomputedHash for &'a T { + fn precomputed_hash(&self) -> u32 { + (**self).precomputed_hash() + } +} + +impl<'a, T: PrecomputedHash> PrecomputedHash for &'a mut T { + fn precomputed_hash(&self) -> u32 { + (**self).precomputed_hash() + } +} -- cgit v1.2.3