no_std
shared-memory queue in Rust.
RUST_TEST_THREADS=1 cargo test --features spsc --no-default-features
RUST_TEST_THREADS=1 cargo test --features mpsc --no-default-features
taskset -c 0,1 cargo run --features spsc --no-default-features
taskset -c 0,1 cargo run --features mpsc --no-default-features