#include "fast_float/fast_float.h"

double get3(char const *input) {
  double result_value;
  auto result =
      fast_float::from_chars(input, input + strlen(input), result_value);
  if (result.ec != std::errc()) {
    return 3;
  }
  return result_value;
}