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##### io_context::strand::dispatch (1 of 2 overloads)

Request the strand to invoke the given function object.

    template<
        typename Function,
        typename Allocator>
    void dispatch(
        Function && f,
        const Allocator & a) const;

This function is used to ask the strand to execute the given function object on its underlying `io_context`. The function object will be executed inside this function if the strand is not otherwise busy and if the underlying io_context's executor's `dispatch()` function is also able to execute the function before returning.

###### Parameters

f

  The function object to be called. The executor will make a copy of the handler object as required. The function signature of the function object must be:

      void function();

a

  An allocator that may be used by the executor to allocate the internal storage needed for function invocation.