lib/std/Io.zig            |  87 ++---
 lib/std/Io/EventLoop.zig  |  56 ++--
 lib/std/Io/File.zig       | 550 ++++++++++++++++++++++++++++++++
 lib/std/Io/ThreadPool.zig | 271 +++++++++++++++-
 lib/std/Io/Writer.zig     |   5 +-
 lib/std/Io/net.zig        |  84 +++--
 lib/std/fs/File.zig       | 131 +-------
 lib/std/posix.zig         |  56 +---
 8 files changed, 926 insertions(+), 314 deletions(-)