lib/std/Io.zig          |   6 +-
 lib/std/Io/Dir.zig      | 117 ++++++++++++++++++++++++++++--
 lib/std/Io/File.zig     | 124 ++------------------------------
 lib/std/Io/Threaded.zig |  16 ++---
 4 files changed, 129 insertions(+), 134 deletions(-)