As a heads up, while playing with the brand spanking new tuple
I ran into the error below. Looks like some of the ambiguities
we talked about are still there.
$ cat z.cpp \
&& make CPPOPTS=-D_RWSTD_EXT_CXX_0X CXXOPTS=-std=gnu++0x z
#include <tuple>
int main () {
std::tuple<int> t;
std::tuple<int> u (t);
}
gcc -c -I/home/sebor/stdcxx-4.3.x/include/ansi -D_RWSTDDEBUG -pthread
-I/home/sebor/stdcxx-4.3.x/include
-I/build/sebor/stdcxx-4.3.x-gcc-4.3.0-15D/include
-I/home/sebor/stdcxx-4.3.x/examples/include -D_RWSTD_EXT_CXX_0X
-pedantic -nostdinc++ -g -W -Wall -Wcast-qual -Winline -Wshadow
-Wwrite-strings -Wno-long-long -Wcast-align -std=gnu++0x z.cpp
/home/sebor/stdcxx-4.3.x/include/rw/_tuple.h: In constructor
‘__rw::__rw_tuple<_HeadT, _TailT ...>::__rw_tuple(_HeadU&&, _TailU&&
...) [with _HeadU = std::tuple<int>&, _TailU = , _HeadT = int, _TailT = ]’:
/home/sebor/stdcxx-4.3.x/include/tuple:110: instantiated from
‘std::tuple<_Types>::tuple(_TypesU&& ...) [with _TypesU =
std::tuple<int>&, _TypesT = int]’
z.cpp:5: instantiated from here
/home/sebor/stdcxx-4.3.x/include/rw/_tuple.h:115: error: cannot convert
‘std::tuple<int>’ to ‘int’ in initialization
make: *** [z.o] Error 1
