as_tuple

as_tuple_t

A completion token adapter used to specify that the completion handler arguments should be combined into a single tuple argument.

template<
    typename CompletionToken>
class as_tuple_t

Types

Name	Description
as_default_on_t	Type alias to adapt an I/O object to use as_tuple_t as its default completion token type.
default_constructor_tag	Tag type used to prevent the "default" constructor from being used for conversions.
executor_with_default	Adapts an executor to add the as_tuple_t completion token as the default.

Member Functions

Name	Description
as_default_on [static]	Function helper to adapt an I/O object to use as_tuple_t as its default completion token type.
as_tuple_t [constructor]	Default constructor. — Constructor.

Data Members

Name	Description
token_

The as_tuple_t class is used to indicate that any arguments to the completion handler should be combined and passed as a single tuple argument. The arguments are first moved into a std::tuple and that tuple is then passed to the completion handler.

Requirements

Header: boost/asio/as_tuple.hpp

Convenience header: boost/asio.hpp