Details
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Bug
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Status: Closed
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Major
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Resolution: Won't Fix
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None
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None
Description
When using nested complex types (for example, a list of maps or an array of lists), the compiler fails to compile. For example, the following code snippet (saved as ctt.cpp):
#include <map>
#include <vector>
#include <proton/types.hpp>
int main(int, char**) {
std::map<proton::value, proton::value> m1 = {{uint8_t(0), "zero"}, {uint8_t(1), "one"}};
std::map<proton::value, proton::value> m2 = {{true, "true"}, {false, "false"}};
std::vector<std::map<proton::value, proton::value> > am = {m1, m2};
proton::value pv = am;
}
fails compilation with the following error:
In file included from install/include/proton/types.hpp:47:0,
from ctt.cpp:3:
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::map<proton::value, proton::value>; A = std::allocator<std::map<proton::value, proton::value> >]’:
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::map<proton::value, proton::value> >; 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::map<proton::value, proton::value> >; typename proton::value::assignable<T>::type = void]’
ctt.cpp:9:24: required from here
install/include/proton/./codec/vector.hpp:39:31: error: incomplete type ‘proton::internal::type_id_of<std::map<proton::value, proton::value> >’ used in nested name specifier
return e << encoder::array(x, internal::type_id_of<T>::value);
~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Attachments
Issue Links
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- Closed
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