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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/odht/src/unhash.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/odht/src/unhash.rs')
-rw-r--r-- | vendor/odht/src/unhash.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/vendor/odht/src/unhash.rs b/vendor/odht/src/unhash.rs new file mode 100644 index 000000000..2d1f905eb --- /dev/null +++ b/vendor/odht/src/unhash.rs @@ -0,0 +1,15 @@ +use crate::HashFn; +use std::convert::TryInto; + +/// A hash function that simply takes the last 4 bytes of a given key as the +/// hash value. +#[derive(Eq, PartialEq)] +pub struct UnHashFn; + +impl HashFn for UnHashFn { + #[inline] + fn hash(bytes: &[u8]) -> u32 { + let len = bytes.len(); + u32::from_le_bytes(bytes[len - 4..].try_into().unwrap()) + } +} |