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The execution::is_receiver
trait detects whether a type T satisfies the execution::receiver concept.
template<
typename T,
typename E = std::exception_ptr>
struct is_receiver
Class template is_receiver is a type trait that is derived from
true_type if the type T meets the concept definition
for a receiver for error type E, otherwise false_type.
Header: asio/execution/receiver.hpp
Convenience header: asio/execution.hpp