Remove Tokio v0.3.x support

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0),
 
 ## Unreleased
 
+- Remove Tokio v0.3.x support (`tokio-03` crate feature).
+
 ## 0.3.15 - 2022-10-08
 
 - `Level::Default::into_zstd()` now returns libzstd's default value `3`.

Cargo.toml

@@ -19,7 +19,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 # groups
 default = []
 all = ["all-implementations", "all-algorithms"]
-all-implementations = ["futures-io", "stream", "tokio-02", "tokio-03", "tokio"]
+all-implementations = ["futures-io", "stream", "tokio-02", "tokio"]
 all-algorithms = ["brotli", "bzip2", "deflate", "gzip", "lzma", "xz", "zlib", "zstd"]
 
 # algorithms
@@ -48,7 +48,6 @@ libzstd = { package = "zstd", version = "0.11.1", optional = true, default-featu
 zstd-safe = { version = "5.0.1", optional = true, default-features = false }
 memchr = "2.2.1"
 tokio-02 = { package = "tokio", version = "0.2.21", optional = true, default-features = false }
-tokio-03 = { package = "tokio", version = "0.3.0", optional = true, default-features = false }
 tokio = { version = "1.0.0", optional = true, default-features = false }
 
 [dev-dependencies]
@@ -59,14 +58,9 @@ futures = "0.3.5"
 futures-test = "0.3.5"
 ntest = "0.8.1"
 bytes-05 = { package = "bytes", version = "0.5.0" }
-bytes-06 = { package = "bytes", version = "0.6.0" }
 bytes = "1.0.0"
 tokio-02 = { package = "tokio", version = "0.2.21", default-features = false, features = ["io-util", "stream", "macros", "io-std"] }
-tokio-03 = { package = "tokio", version = "0.3.0", default-features = false, features = ["io-util", "stream"] }
 tokio = { version = "1.0.0", default-features = false, features = ["io-util"] }
-tokio-util-03 = { package = "tokio-util", version = "0.3.0", default-features = false, features = ["codec"] }
-tokio-util-04 = { package = "tokio-util", version = "0.4.0", default-features = false, features = ["io"] }
-tokio-util-05 = { package = "tokio-util", version = "0.5.0", default-features = false, features = ["io"] }
 tokio-util-06 = { package = "tokio-util", version = "0.6.0", default-features = false, features = ["io"] }
 
 [[test]]

src/lib.rs

@@ -61,14 +61,6 @@
     not(feature = "tokio-02"),
     doc = "`tokio-02` (*inactive*) | `tokio::io::AsyncBufRead`, `tokio::io::AsyncWrite`"
 )]
-#![cfg_attr(
-    feature = "tokio-03",
-    doc = "[`tokio-03`](crate::tokio_03) | [`tokio::io::AsyncBufRead`](::tokio_03::io::AsyncBufRead), [`tokio::io::AsyncWrite`](::tokio_03::io::AsyncWrite)"
-)]
-#![cfg_attr(
-    not(feature = "tokio-03"),
-    doc = "`tokio-03` (*inactive*) | `tokio::io::AsyncBufRead`, `tokio::io::AsyncWrite`"
-)]
 #![cfg_attr(
     feature = "tokio",
     doc = "[`tokio`](crate::tokio) | [`tokio::io::AsyncBufRead`](::tokio::io::AsyncBufRead), [`tokio::io::AsyncWrite`](::tokio::io::AsyncWrite)"
@@ -178,9 +170,6 @@ pub mod tokio;
 #[cfg(feature = "tokio-02")]
 #[cfg_attr(docsrs, doc(cfg(feature = "tokio-02")))]
 pub mod tokio_02;
-#[cfg(feature = "tokio-03")]
-#[cfg_attr(docsrs, doc(cfg(feature = "tokio-03")))]
-pub mod tokio_03;
 
 mod unshared;
 mod util;

src/stream/mod.rs

@@ -40,28 +40,6 @@
 //!     ).map_ok(|bytes| bytes.freeze())
 //! }
 //!
-//! /// Upgrade replacement with `tokio` v0.3 and `bytes` v0.5 using `tokio-util` v0.4
-//! fn tokio_03_bytes_05(
-//!     input: impl Stream<Item = Result<bytes_05::Bytes>>,
-//! ) -> impl Stream<Item = Result<bytes_05::Bytes>> {
-//!     tokio_util_04::io::ReaderStream::new(
-//!         async_compression::tokio_03::bufread::GzipEncoder::new(
-//!             tokio_util_04::io::StreamReader::new(input),
-//!         ),
-//!     )
-//! }
-//!
-//! /// Upgrade replacement with `tokio` v0.3 and `bytes` v0.6 using `tokio-util` v0.5
-//! fn tokio_03_bytes_06(
-//!     input: impl Stream<Item = Result<bytes_06::Bytes>>,
-//! ) -> impl Stream<Item = Result<bytes_06::Bytes>> {
-//!     tokio_util_05::io::ReaderStream::new(
-//!         async_compression::tokio_03::bufread::GzipEncoder::new(
-//!             tokio_util_05::io::StreamReader::new(input),
-//!         ),
-//!     )
-//! }
-//!
 //! /// Upgrade replacement with `tokio` v1.0 and `bytes` v1.0 using `tokio-util` v0.6
 //! fn tokio_bytes(
 //!     input: impl Stream<Item = Result<bytes::Bytes>>,
@@ -109,20 +87,6 @@
 //! #     );
 //! #     assert_eq!(
 //! #         expected,
-//! #         tokio_03_bytes_05(data().map_ok(bytes_05::Bytes::from))
-//! #             .map_ok(|bytes| bytes.as_ref().into())
-//! #             .try_collect::<Vec<Vec<u8>>>()
-//! #             .await?,
-//! #     );
-//! #     assert_eq!(
-//! #         expected,
-//! #         tokio_03_bytes_06(data().map_ok(bytes_06::Bytes::from))
-//! #             .map_ok(|bytes| bytes.as_ref().into())
-//! #             .try_collect::<Vec<Vec<u8>>>()
-//! #             .await?,
-//! #     );
-//! #     assert_eq!(
-//! #         expected,
 //! #         tokio_bytes(data().map_ok(bytes::Bytes::from))
 //! #             .map_ok(|bytes| bytes.as_ref().into())
 //! #             .try_collect::<Vec<Vec<u8>>>()