chromium/third_party/fast_float/src/tests/example_test.cpp

#include "fast_float/fast_float.h"
#include <iostream>
#include <string>
#include <system_error>

bool many() { … }

void many_loop() { … }

#if FASTFLOAT_IS_CONSTEXPR
// consteval forces compile-time evaluation of the function in C++20.
consteval double parse(std::string_view input) { … }

// This function should compile to a function which
// merely returns 3.1415.
constexpr double constexptest() { … }
#endif

int main() { … }