futures-x-io

Dev

``` cargo clippy --all --all-features -- -D clippy::all cargo +nightly clippy --all --all-features -- -D clippy::all

cargo fmt --all -- --check ```

``` cargo build-all-features

╰─➤ cargo test-all-features -- --nocapture 2>/dev/null | grep 'test only_' | grep ' ... ok' | wc -l 51 ```