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Well, async I/O is important to get early. Otherwise we're going to have an entire ecosystem of synchronous networking code, and there's no going back from that

Well, async I/O is important to get early. Otherwise we're going to have an entire ecosystem of synchronous networking code, and there's no going back from that. You can look at languages like Ruby for what happens if you don't get an async I/O story before the package ecosystem develops.

zbentley 7y ago
Java seems to have done pretty well, and it didn't have broad stdlib support for asynchronous I/O until a few years ago.
- pjmlp 7y ago
  NIO was introduced in Java 1.3.
  - jnordwick 7y ago
    That's non blocking, not async as in the async that rust is developing.
    - pjmlp 7y ago
      Non blocking code is asynchronous by definition, regardless of the syntax sugar.