There’s some of that. I/O in node is done by a C library called libuv [1]. It’s portable and it’s used by other languages too. Deno doesn’t use it, though. The

There’s some of that. I/O in node is done by a C library called libuv [1]. It’s portable and it’s used by other languages too. Deno doesn’t use it, though. They use Rust ecosystem libraries like tokio. [2] [1] http://docs.libuv.org/en/v1.x/ http://docs.libuv.org/en/v1.x/ [2] https://choubey.gitbook.io/internals-of-deno/architecture/tokio https://choubey.gitbook.io/internals-of-deno/architecture/to...