>>template <class T>
>>void keySet(T& aMap, vector<int>& keySet) {
>> transform( aMap.begin(), aMap.end(),
>>back_inserter(keySet), bind(&T::value_type::first,
>>_1) );
>>
>>}
>>
>>
>>here is the error:
>>g++ -O0 -g3 -Wall -c -fmessage-length=0
>>-oBlockGrouper.o ../BlockGrouper.cpp
>>../Utils.h: In function 'void keySet(T&,
>>std::vector<int, std::allocator<int> >&)':
>>../Utils.h:149: error: '_1' was not declared in
>>this scope
Based on your errors it looks like
_1 is not declared in the scope.
Did you miss adding these:
#include <boost/lambda/lambda.hpp>
using boost::lambda::_1;
-- Nitin Motgi
--
Nitin Motgi