Class LosslessConvertibleToIntVisitor

internal/number.h:184–193

};

struct LosslessConvertibleToIntVisitor {
  constexpr bool operator()(double value) const {
    return value >= kDoubleToIntMin && value <= kMaxDoubleRepresentableAsInt &&
           value == static_cast<double>(static_cast<int64_t>(value));
  }
  constexpr bool operator()(uint64_t value) const {
    return value <= kUintToIntMax;
  }
  constexpr bool operator()(int64_t value) const { return true; }
};

struct LosslessConvertibleToUintVisitor {
  constexpr bool operator()(double value) const {