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https://issues.apache.org/jira/browse/PROTON-1815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16417586#comment-16417586
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Kim van der Riet commented on PROTON-1815:
------------------------------------------
The full compilation error is:
{noformat}
In file included from ../install/include/proton/types.hpp:47:0,
from amqp_complex_types_test.data.cpp:34:
../install/include/proton/./codec/vector.hpp: In instantiation of
‘proton::codec::encoder& proton::codec::operator<<(proton::codec::encoder&,
const std::vector<_Tp, _Alloc>&) [with T = std::nullptr_t; A =
std::allocator<std::nullptr_t>]’:
../install/include/proton/./value.hpp:84:11: required from ‘typename
proton::value::assignable<T, proton::value&>::type
proton::value::operator=(const T&) [with T = std::vector<std::nullptr_t>;
typename proton::value::assignable<T, proton::value&>::type = proton::value&]’
../install/include/proton/./value.hpp:79:85: required from
‘proton::value::value(const T&, typename proton::value::assignable<T>::type*)
[with T = std::vector<std::nullptr_t>; typename
proton::value::assignable<T>::type = void]’
amqp_complex_types_test.data.cpp:121:68: required from here
../install/include/proton/./codec/vector.hpp:39:31: error: incomplete type
‘proton::internal::type_id_of<std::nullptr_t>’ used in nested name specifier
return e << encoder::array(x, internal::type_id_of<T>::value);
~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{noformat}
and where the line referenced in {{amqp_complex_types_test.data.cpp:121:68}} is
the third line in the code snippet given above.
> [C++ binding] Complex types: List containing array of std::nullptr_t fails
> compilation
> ---------------------------------------------------------------------------------------
>
> Key: PROTON-1815
> URL: https://issues.apache.org/jira/browse/PROTON-1815
> Project: Qpid Proton
> Issue Type: Task
> Components: cpp-binding
> Reporter: Kim van der Riet
> Priority: Major
>
> If an array of AMQP nulls is contained in a list, the compiler fails with:
> {noformat}
> include/proton/./codec/vector.hpp:39:31: error: incomplete type
> ‘proton::internal::type_id_of<std::nullptr_t>’ used in nested name specifier
> {noformat}
> Code snippet that produces this error:
> {noformat}
> std::vector<std::nullptr_t> _arr_27 = {nullptr, nullptr, };
> std::vector<int8_t> _arr_28 = {int8_t(1), int8_t(2), };
> std::vector<proton::value> _lst_7 = {_arr_27, _arr_28, };
> {noformat}
> which fails on the third line.
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