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//! Adaptors between compression crates and Rust's modern asynchronous IO types.
//!

//! # Feature Organization
//!
//! This crate is divided up along two axes, which can each be individually selected via Cargo
//! features.
//!
//! All features are disabled by default, you should enable just the ones you need from the lists
//! below.
//!
//! If you want to pull in everything there are three group features defined:
//!

//!  Feature | Does
//! ---------|------
//!  `all`   | Activates all implementations and algorithms.
//!  `all-implementations` | Activates all implementations, needs to be paired with a selection of algorithms
//!  `all-algorithms` | Activates all algorithms, needs to be paired with a selection of implementations
//!

//! ## IO implementation
//!
//! The first division is which underlying asynchronous IO trait will be wrapped, these are
//! available as separate features that have corresponding top-level modules:
//!

//!  Feature | Type
//! ---------|------
// TODO: Kill rustfmt on this section, `#![rustfmt::skip::attributes(cfg_attr)]` should do it, but
// that's unstable
#![cfg_attr(
    feature = "futures-bufread",
    doc = "[`futures-bufread`](crate::futures::bufread) | [`futures::io::AsyncBufRead`](futures_io::AsyncBufRead)"
)]
#![cfg_attr(
    not(feature = "futures-bufread"),
    doc = "`futures-bufread` (*inactive*) | `futures::io::AsyncBufRead`"
)]
#![cfg_attr(
    feature = "futures-write",
    doc = "[`futures-write`](crate::futures::write) | [`futures::io::AsyncWrite`](futures_io::AsyncWrite)"
)]
#![cfg_attr(
    not(feature = "futures-write"),
    doc = "`futures-write` (*inactive*) | `futures::io::AsyncWrite`"
)]
#![cfg_attr(
    feature = "stream",
    doc = "[`stream`] | [`futures::stream::Stream`](futures_core::stream::Stream)`<Item = `[`std::io::Result`]`<`[`bytes::Bytes`]`>>`"
)]
#![cfg_attr(
    not(feature = "stream"),
    doc = "`stream` (*inactive*) | `futures::stream::Stream<Item = std::io::Result<bytes::Bytes>>`"
)]
//!

//! ## Compression algorithm
//!
//! The second division is which compression schemes to support, there are currently a few
//! available choices, these determine which types will be available inside the above modules:
//!

//!  Feature | Types
//! ---------|------
#![cfg_attr(
    feature = "brotli",
    doc = "`brotli` | [`BrotliEncoder`](?search=BrotliEncoder), [`BrotliDecoder`](?search=BrotliDecoder)"
)]
#![cfg_attr(
    not(feature = "brotli"),
    doc = "`brotli` (*inactive*) | `BrotliEncoder`, `BrotliDecoder`"
)]
#![cfg_attr(
    feature = "bzip2",
    doc = "`bzip2` | [`BzEncoder`](?search=BzEncoder), [`BzDecoder`](?search=BzDecoder)"
)]
#![cfg_attr(
    not(feature = "bzip2"),
    doc = "`bzip2` (*inactive*) | `BzEncoder`, `BzDecoder`"
)]
#![cfg_attr(
    feature = "deflate",
    doc = "`deflate` | [`DeflateEncoder`](?search=DeflateEncoder), [`DeflateDecoder`](?search=DeflateDecoder)"
)]
#![cfg_attr(
    not(feature = "deflate"),
    doc = "`deflate` (*inactive*) | `DeflateEncoder`, `DeflateDecoder`"
)]
#![cfg_attr(
    feature = "gzip",
    doc = "`gzip` | [`GzipEncoder`](?search=GzipEncoder), [`GzipDecoder`](?search=GzipDecoder)"
)]
#![cfg_attr(
    not(feature = "gzip"),
    doc = "`gzip` (*inactive*) | `GzipEncoder`, `GzipDecoder`"
)]
#![cfg_attr(
    feature = "zlib",
    doc = "`zlib` | [`ZlibEncoder`](?search=ZlibEncoder), [`ZlibDecoder`](?search=ZlibDecoder)"
)]
#![cfg_attr(
    not(feature = "zlib"),
    doc = "`zlib` (*inactive*) | `ZlibEncoder`, `ZlibDecoder`"
)]
#![cfg_attr(
    feature = "zstd",
    doc = "`zstd` | [`ZstdEncoder`](?search=ZstdEncoder), [`ZstdDecoder`](?search=ZstdDecoder)"
)]
#![cfg_attr(
    not(feature = "zstd"),
    doc = "`zstd` (*inactive*) | `ZstdEncoder`, `ZstdDecoder`"
)]
//!

#![cfg_attr(docsrs, feature(doc_cfg))]
#![warn(
    missing_docs,
    rust_2018_idioms,
    missing_copy_implementations,
    missing_debug_implementations
)]

#[macro_use]
mod macros;
mod codec;

#[cfg(any(feature = "futures-bufread", feature = "futures-write"))]
pub mod futures;
#[cfg(feature = "stream")]
#[cfg_attr(docsrs, doc(cfg(feature = "stream")))]
pub mod stream;

/// Types to configure [`flate2`](::flate2) based encoders.
#[cfg(feature = "flate2")]
#[cfg_attr(
    docsrs,
    doc(cfg(any(feature = "deflate", feature = "zlib", feature = "gzip")))
)]
pub mod flate2 {
    pub use flate2::Compression;
}

/// Types to configure [`brotli2`](::brotli2) based encoders.
#[cfg(feature = "brotli")]
#[cfg_attr(docsrs, doc(cfg(feature = "brotli")))]
pub mod brotli2 {
    pub use brotli2::CompressParams;
}

/// Types to configure [`bzip2`](::bzip2) based encoders.
#[cfg(feature = "bzip2")]
#[cfg_attr(docsrs, doc(cfg(feature = "bzip2")))]
pub mod bzip2 {
    pub use bzip2::Compression;
}
mod unshared;
mod util;