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Diffstat (limited to '')
| -rw-r--r-- | third_party/rust/precomputed-hash/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | third_party/rust/precomputed-hash/Cargo.toml | 21 | ||||
| -rw-r--r-- | third_party/rust/precomputed-hash/LICENSE | 21 | ||||
| -rw-r--r-- | third_party/rust/precomputed-hash/src/lib.rs | 22 |
4 files changed, 65 insertions, 0 deletions
diff --git a/third_party/rust/precomputed-hash/.cargo-checksum.json b/third_party/rust/precomputed-hash/.cargo-checksum.json new file mode 100644 index 0000000000..a41fee4eca --- /dev/null +++ b/third_party/rust/precomputed-hash/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"594bc4437727edbf58c7cb9f88c3c1d80e89439dd4a505ef4771f9f344819386","LICENSE":"7ca6700600dfa9c9497bf5556365067daa802c871ea78239f129309c7a2048f7","src/lib.rs":"079a5f369a82b4573cca488a8c52a8427546e9050c89964a7b554215dd4da5f1"},"package":"925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"}
\ No newline at end of file diff --git a/third_party/rust/precomputed-hash/Cargo.toml b/third_party/rust/precomputed-hash/Cargo.toml new file mode 100644 index 0000000000..64acf0e493 --- /dev/null +++ b/third_party/rust/precomputed-hash/Cargo.toml @@ -0,0 +1,21 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g. crates.io) dependencies +# +# If you believe there's an error in this file please file an +# issue against the rust-lang/cargo repository. If you're +# editing this file be aware that the upstream Cargo.toml +# will likely look very different (and much more reasonable) + +[package] +name = "precomputed-hash" +version = "0.1.1" +authors = ["Emilio Cobos Álvarez <emilio@crisal.io>"] +description = "A library intending to be a base dependency to expose a precomputed hash" +license = "MIT" +repository = "https://github.com/emilio/precomputed-hash" + +[dependencies] diff --git a/third_party/rust/precomputed-hash/LICENSE b/third_party/rust/precomputed-hash/LICENSE new file mode 100644 index 0000000000..c99e3b59a8 --- /dev/null +++ b/third_party/rust/precomputed-hash/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2017 Emilio Cobos Álvarez + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/third_party/rust/precomputed-hash/src/lib.rs b/third_party/rust/precomputed-hash/src/lib.rs new file mode 100644 index 0000000000..9cdb45d5b2 --- /dev/null +++ b/third_party/rust/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() + } +} |