mz_ore/bits.rs
1// Copyright Materialize, Inc. and contributors. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License in the LICENSE file at the
6// root of this repository, or online at
7//
8// http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
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13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16//! Utilities for bit and byte manipulation
17
18/// Increases `p` as little as possible (including possibly 0)
19/// such that it becomes a multiple of `N`.
20pub const fn align_up<const N: usize>(p: usize) -> usize {
21 if p % N == 0 { p } else { p + (N - (p % N)) }
22}