The execution::is_operation_state trait detects whether a type T satisfies the execution::operation_state concept.

template<
    typename T>
struct is_operation_state

Class template is_operation_state is a type trait that is derived from true_type if the type T meets the concept definition for an operation_state, otherwise false_type.

Requirements

Header: asio/execution/operation_state.hpp

Convenience header: asio/execution.hpp