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Completion token type used to specify that the completion handler arguments should be passed additional values after the results of the operation.
template<
    typename CompletionToken,
    typename... Values>
class append_t
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                 Name  | 
                 Description  | 
|---|---|
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                 append_t [constructor]  | 
                 Constructor.  | 
        Header: asio/experimental/append.hpp
      
Convenience header: None