asio C++ library

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is_nothrow_query

A type trait that determines whether a query expression will not throw.

template<
    typename T,
    typename Property>
struct is_nothrow_query :
  public integral_constant< bool, automatically_determined >

Class template is_nothrow_query is a trait that is derived from true_type if the expression asio::query(std::declval<T>(), std::declval<Property>()) is noexcept; otherwise false_type.

Requirements

Header: asio/query.hpp

Convenience header: asio.hpp


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