Function begin

include/fmt/base.h:550–550

  constexpr auto size() const noexcept -> size_t { return size_; }

  constexpr auto begin() const noexcept -> iterator { return data_; }
  constexpr auto end() const noexcept -> iterator { return data_ + size_; }

  constexpr auto operator[](size_t pos) const noexcept -> const Char& {