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// Copyright Materialize, Inc. and contributors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License in the LICENSE file at the
// root of this repository, or online at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Hash utilities.

use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};

/// Computes the hash of an object implementing [`Hash`].
pub fn hash<T: Hash>(t: &T) -> u64 {
    let mut hasher = DefaultHasher::new();
    t.hash(&mut hasher);
    hasher.finish()
}