Vulkan-Hpp/snippets/ResultValue.hpp

140 lines
3.7 KiB
C++

template <typename T> void ignore(T const &) VULKAN_HPP_NOEXCEPT {}
template <typename T>
struct ResultValue
{
#ifdef VULKAN_HPP_HAS_NOEXCEPT
ResultValue( Result r, T & v ) VULKAN_HPP_NOEXCEPT(VULKAN_HPP_NOEXCEPT(T(v)))
#else
ResultValue( Result r, T & v )
#endif
: result( r )
, value( v )
{}
#ifdef VULKAN_HPP_HAS_NOEXCEPT
ResultValue( Result r, T && v ) VULKAN_HPP_NOEXCEPT(VULKAN_HPP_NOEXCEPT(T(std::move(v))))
#else
ResultValue( Result r, T && v )
#endif
: result( r )
, value( std::move( v ) )
{}
Result result;
T value;
operator std::tuple<Result&, T&>() VULKAN_HPP_NOEXCEPT { return std::tuple<Result&, T&>(result, value); }
};
#if !defined( VULKAN_HPP_NO_SMART_HANDLE )
template <typename Type, typename Dispatch>
struct ResultValue<UniqueHandle<Type, Dispatch>>
{
#ifdef VULKAN_HPP_HAS_NOEXCEPT
ResultValue(Result r, UniqueHandle<Type, Dispatch> && v) VULKAN_HPP_NOEXCEPT
#else
ResultValue(Result r, UniqueHandle<Type, Dispatch> && v)
#endif
: result(r)
, value(std::move(v))
{}
VULKAN_HPP_DEPRECATED(
"asTuple() on an l-value is deprecated, as it implicitly moves the UniqueHandle out of the ResultValue. Use asTuple() on an r-value instead, requiring to explicitly move the UniqueHandle." )
std::tuple<Result, UniqueHandle<Type, Dispatch>>
asTuple() &
{
return std::make_tuple( result, std::move( value ) );
}
std::tuple<Result, UniqueHandle<Type, Dispatch>> asTuple() &&
{
return std::make_tuple( result, std::move( value ) );
}
Result result;
UniqueHandle<Type, Dispatch> value;
};
template <typename Type, typename Dispatch>
struct ResultValue<std::vector<UniqueHandle<Type, Dispatch>>>
{
# ifdef VULKAN_HPP_HAS_NOEXCEPT
ResultValue( Result r, std::vector<UniqueHandle<Type, Dispatch>> && v ) VULKAN_HPP_NOEXCEPT
# else
ResultValue( Result r, std::vector<UniqueHandle<Type, Dispatch>> && v )
# endif
: result( r )
, value( std::move( v ) )
{}
VULKAN_HPP_DEPRECATED(
"asTuple() on an l-value is deprecated, as it implicitly moves the UniqueHandle out of the ResultValue. Use asTuple() on an r-value instead, requiring to explicitly move the UniqueHandle." )
std::tuple<Result, std::vector<UniqueHandle<Type, Dispatch>>>
asTuple() &
{
return std::make_tuple( result, std::move( value ) );
}
std::tuple<Result, std::vector<UniqueHandle<Type, Dispatch>>> asTuple() &&
{
return std::make_tuple( result, std::move( value ) );
}
Result result;
std::vector<UniqueHandle<Type, Dispatch>> value;
};
#endif
template <typename T>
struct ResultValueType
{
#ifdef VULKAN_HPP_NO_EXCEPTIONS
typedef ResultValue<T> type;
#else
typedef T type;
#endif
};
template <>
struct ResultValueType<void>
{
#ifdef VULKAN_HPP_NO_EXCEPTIONS
typedef Result type;
#else
typedef void type;
#endif
};
VULKAN_HPP_INLINE typename ResultValueType<void>::type createResultValueType( Result result )
{
#ifdef VULKAN_HPP_NO_EXCEPTIONS
return result;
#else
ignore( result );
#endif
}
template <typename T>
VULKAN_HPP_INLINE typename ResultValueType<T>::type createResultValueType( Result result, T & data )
{
#ifdef VULKAN_HPP_NO_EXCEPTIONS
return ResultValue<T>( result, data );
#else
ignore( result );
return data;
#endif
}
template <typename T>
VULKAN_HPP_INLINE typename ResultValueType<T>::type createResultValueType( Result result, T && data )
{
#ifdef VULKAN_HPP_NO_EXCEPTIONS
return ResultValue<T>( result, std::move( data ) );
#else
ignore( result );
return std::move( data );
#endif
}