[default] cargo run --example ${1-lighting} [default:build] cargo build --example ${1-lighting} [release] cargo run --example ${1-lighting} --release [release:build] cargo build --example ${1-lighting} --release [doc] cargo doc --open [doc:build] cargo doc [check] cargo clippy --examples -- -D warnings cargo test -j 2 cargo fmt [perf] perf record --call-graph=dwarf target/debug/examples/lighting samply load perf.data