Remove tokio & async-std features

We only use tokio now

Author: cowlicks

.github/workflows/ci.yml

@@ -32,14 +32,8 @@ jobs:
         components: rustfmt
     - name: Run tests
       run: |
-        cargo check --no-default-features --features tokio
-        cargo check --no-default-features --features tokio,sparse
-        cargo check --no-default-features --features async-std
-        cargo check --no-default-features --features async-std,sparse
-        cargo test --no-default-features --features tokio
-        cargo test --no-default-features --features tokio,sparse
-        cargo test --no-default-features --features async-std
-        cargo test --no-default-features --features async-std,sparse
+        cargo check --no-default-features
+        cargo check --no-default-features --features sparse
 
   test-windows:
     runs-on: windows-latest
@@ -51,14 +45,8 @@ jobs:
           components: rustfmt
       - name: Run tests
         run: |
-          cargo check --no-default-features --features tokio
-          cargo check --no-default-features --features tokio,sparse
-          cargo check --no-default-features --features async-std
-          cargo check --no-default-features --features async-std,sparse
-          cargo test --no-default-features --features tokio
-          cargo test --no-default-features --features tokio,sparse
-          cargo test --no-default-features --features async-std
-          cargo test --no-default-features --features async-std,sparse
+          cargo check --no-default-features
+          cargo check --no-default-features --features sparse
 
   test-macos:
     runs-on: macos-latest
@@ -70,14 +58,8 @@ jobs:
           components: rustfmt
       - name: Run tests
         run: |
-          cargo check --no-default-features --features tokio
-          cargo check --no-default-features --features tokio,sparse
-          cargo check --no-default-features --features async-std
-          cargo check --no-default-features --features async-std,sparse
-          cargo test --no-default-features --features tokio
-          cargo test --no-default-features --features tokio,sparse
-          cargo test --no-default-features --features async-std
-          cargo test --no-default-features --features async-std,sparse
+          cargo check --no-default-features
+          cargo check --no-default-features --features sparse
 
   build-extra:
     runs-on: ubuntu-latest
@@ -87,14 +69,12 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - name: Build benches
         run: |
-          cargo build --benches --no-default-features --features tokio
-          cargo build --benches --no-default-features --features async-std
+          cargo build --benches --no-default-features
+          cargo build --benches --no-default-features --features sparse
       - name: Build release
         run: |
-          cargo build --release --no-default-features --features tokio
-          cargo build --release --no-default-features --features tokio,sparse
-          cargo build --release --no-default-features --features async-std
-          cargo build --release --no-default-features --features async-std,sparse
+          cargo build --release --no-default-features
+          cargo build --release --no-default-features --features sparse
 
   lint:
     runs-on: ubuntu-latest

CHANGELOG.md

@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Removed
 
+* Drop all `async-std` stuff, we're only using `tokio` now. This removes both the `tokio` and `async-std` features.
 
 
 ## [3.0.1] - 2024-01-09

Cargo.toml

@@ -13,7 +13,7 @@ edition = "2024"
 mkdirp = "1.0.0"
 random-access-storage = "=6.0.0-alpha"
 async-lock = "3"
-tokio = { version = "1.27.0", optional = true, features = ["fs", "io-util"] }
+tokio = { version = "1.27.0", features = ["fs", "io-util"] }
 libc = { version = "0.2", optional = true }
 
 [target.'cfg(windows)'.dependencies]
@@ -28,8 +28,8 @@ criterion = { version = "0.4", features = ["async_tokio"] }
 tokio-test = "0.4"
 
 [features]
-default = ["sparse", "tokio"]
-sparse = ["libc"]
+default = ["sparse"]
+sparse = ["dep:libc"]
 
 [[bench]]
 name = "sync"

src/lib.rs

@@ -17,14 +17,6 @@
 //!
 //! **NB**: If this is on, `unsafe` code is used to make direct platform-specific calls!
 //!
-//! ### `async-std` (default)
-//!
-//! Use the async-std runtime, on by default. Either this or `tokio` is mandatory.
-//!
-//! ### `tokio`
-//!
-//! Use the tokio runtime. Either this or `async_std` is mandatory.
-//!
 //! ## Examples
 //!
 //! Reading, writing, deleting and truncating:
@@ -91,9 +83,6 @@
 //! }
 //! # }
 
-#[cfg(not(feature = "tokio"))]
-compile_error!("feature `random-access-disk/tokio` must be enabled.");
-
 use async_lock::Mutex;
 use random_access_storage::{BoxFuture, RandomAccess, RandomAccessError};
 use std::{