lib/std/io.zig                      | 156 ++-------------------------
 lib/std/io/buffered_atomic_file.zig |   4 +-
 lib/std/io/buffered_in_stream.zig   |  84 +++++++++++++++
 lib/std/io/buffered_out_stream.zig  |  23 +---
 lib/std/io/fixed_buffer_stream.zig  | 183 +++++++++++++++++++++-----------
 lib/std/json.zig                    |   4 +-
 lib/std/progress.zig                |   2 +-
 lib/std/std.zig                     |   1 -
 src-self-hosted/print_targets.zig   |   2 +-
 9 files changed, 223 insertions(+), 236 deletions(-)