GitHub - fmtlib/fmt: A modern formatting library

Simple format API with positional arguments for localization Implementation of C++20 std::format and C++23 std::print Format string syntax similar to Python's format Fast IEEE 754 floating-point formatter with correct rounding, shortness and round-trip guarantees using the Dragonbox algorithm Portable Unicode support Safe printf implementation including the POSIX extension for positional arguments

[mocchi_2006]

現代版printf。 .Net Framework や python の formatの書式に近い。C++20になると標準ライブラリで同じことができるらしい。

[zetamatta]

C++向けの String.Format 風的なライブラリ

[moccos_info]

“formatting library for C++”

[mattn]

C# のアレっぽいアレ