We used to do this in Rust, but have found RAII much better for this. Dealing with multiple resources open at once can quickly become painful. See http://blog.s

We used to do this in Rust, but have found RAII much better for this. Dealing with multiple resources open at once can quickly become painful. See http://blog.skylight.io/rust-means-never-having-to-close-a-socket/#facilitiesinotherlanguages http://blog.skylight.io/rust-means-never-having-to-close-a-s...