- `seek_read`, `seek_write` for Windows (`#[cfg(windows)]`). - `read_at`, `write_at` for Unix (`#[cfg(unix)]`). Slight performance boost, but allows access from multiple threads without any drawbacks.
seek_read,seek_writefor Windows (#[cfg(windows)]).read_at,write_atfor Unix (#[cfg(unix)]).Slight performance boost, but allows access from multiple threads without any drawbacks.