Function IsNumberT

util/string/type.cpp:19–25

template <typename TStringType>
static bool IsNumberT(const TStringType& s) noexcept {
    if (s.empty()) {
        return false;
    }

    return std::all_of(s.begin(), s.end(), IsAsciiDigit<typename TStringType::value_type>);
}

bool IsNumber(const TStringBuf s) noexcept {
    return IsNumberT(s);