fast_io is an extremely fast C++20 input/output library aiming to replace <iostream> and <cstdio>. It supports networking, NT apis, pipe, filesystem, winrt hstring, Qt, OpenSSL, cryptography. It is freestanding and it works on any platform, including dos, win95, wasm, linux kernel, windows kernel or your own operating system kernel. It has no dependencies.
vcpkg install fastioNo compatibility data collected yet for this library.
Verified import paths — ran on the pinned version, not inferred.
Print hello world using fast_io
Ensure your compiler supports C++20 fully (e.g., GCC 10+, Clang 10+, MSVC 2019 16.10+)
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