fastfloat number parsing library: 4x faster than strtod

Integer types

C++20: compile-time evaluation (constexpr)

C++23: Fixed width floating-point types

Non-ASCII Inputs

Advanced options: using commas as decimal separator, JSON and Fortran

Relation With Other Work

References

Other programming languages

Users

How fast is it?

Video

Using as a CMake dependency

Using as single header

RFC 7159

Credit

License