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fmt

brew install fmt v12.2.0 MIT

Header-only C++ library providing type-safe string formatting, printf-style and range-based output.

Why you might care

Use fmt to replace unsafe sprintf/printf in C++ code with compile-time-checked format strings and zero runtime overhead. It's faster than std::ostringstream, supports custom types via specialization, and became the inspiration for std::format in C++20—many projects include it as a dependency or header for compatibility across compiler versions.

Categories

library header-only-library formatter

Alternatives

boost.format std::ostringstream printf
88.2k
30-day installs · #50
295.9k
90-day · #50
674.9k
365-day · #101

Build dependencies

cmake

Links

Blurb generated by claude-haiku-4-5 on today.

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