20 General utilities library [utilities]

20.20 Formatting [format]

20.20.6 Arguments [format.arguments]

20.20.6.2 Class template format-arg-store [format.arg.store]

namespace std {
  template<class Context, class... Args>
  struct format-arg-store {      // exposition only
    array<basic_format_arg<Context>, sizeof...(Args)> args;
  };
}

An instance of format-arg-store stores formatting arguments.

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template<class Context = format_context, class... Args>
  format-arg-store<Context, Args...> make_format_args(const Args&... args);

Preconditions: The type typename Context::template formatter_type<

T_{i}

> meets the Formatter requirements ([formatter.requirements]) for each

T_{i}

in Args.

Returns: {basic_format_arg<Context>(args)...}.

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template<class... Args>
  format-arg-store<wformat_context, Args...> make_wformat_args(const Args&... args);

Effects: Equivalent to: return make_format_args<wformat_context>(args...);