CMakeLists.txt               |   1 -
 lib/std/Io.zig               |  12 +-
 lib/std/Io/Threaded.zig      |  68 +++++++-
 lib/std/Io/test.zig          | 133 +++++++++++++++
 lib/std/Thread.zig           | 276 +++-----------------------------
 lib/std/Thread/WaitGroup.zig |  87 ----------
 lib/std/fs/test.zig          |  19 ++-
 7 files changed, 231 insertions(+), 365 deletions(-)