asio C++ library

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execution::prefer_only

A property adapter that is used with the polymorphic executor wrapper to mark properties as preferable, but not requirable.

template<
    typename Property>
struct prefer_only
Types

Name

Description

polymorphic_query_result_type

The type returned by queries against an any_executor.

Data Members

Name

Description

is_applicable_property_v [static]

The prefer_only adapter applies to the same types as the nested property.

is_preferable [static]

The context_t property can be preferred, it the underlying property can be preferred.

is_requirable [static]

The context_t property cannot be required.

Requirements

Header: asio/execution/prefer_only.hpp

Convenience header: asio/execution.hpp


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