// Licensed to the Apache Software Foundation (ASF) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The ASF licenses this file // to you 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 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. //! Low-level buffer abstractions for [Apache Arrow Rust](https://docs.rs/arrow) //! //! # Byte Storage abstractions //! - [`MutableBuffer`]: Raw memory buffer that can be mutated and grown //! - [`Buffer`]: Immutable buffer that is shared across threads //! //! # Typed Abstractions //! //! There are also several wrappers over [`Buffer`] with methods for //! easier manipulation: //! //! - [`BooleanBuffer`][]: Bitmasks (buffer of packed bits) //! - [`NullBuffer`][]: Arrow null (validity) bitmaps ([`BooleanBuffer`] with extra utilities) //! - [`ScalarBuffer`][]: Typed buffer for primitive types (e.g., `i32`, `f64`) //! - [`OffsetBuffer`][]: Offsets used in variable-length types (e.g., strings, lists) //! - [`RunEndBuffer`][]: Run-ends used in run-encoded encoded data #![doc( html_logo_url = "https://arrow.apache.org/img/arrow-logo_chevrons_black-txt_white-bg.svg", html_favicon_url = "https://arrow.apache.org/img/arrow-logo_chevrons_black-txt_transparent-bg.svg" )] #![cfg_attr(docsrs, feature(doc_cfg))] #![warn(missing_docs)] pub mod alloc; pub mod buffer; pub use buffer::*; pub mod builder; pub use builder::*; mod bigint; pub use bigint::i256; mod bytes; mod native; pub use native::*; mod util; pub use util::*; mod interval; pub use interval::*; mod arith; #[cfg(feature = "pool")] mod pool; #[cfg(feature = "pool")] pub use pool::*;