| c++ Programming Glossary: first_typeC++ Cartesian product iterator calling base class function on first iteration http://stackoverflow.com/questions/10706611/c-cartesian-product-iterator-calling-base-class-function-on-first-iteration  container flat_map typename Container2DMap value_type first_type typename Container2DMap value_type second_type value_type class.. public typedef typename Container2DMap value_type first_type first_type typedef typename Container2DMap const_iterator first_iterator.. typedef typename Container2DMap value_type first_type first_type typedef typename Container2DMap const_iterator first_iterator.. 
 How to retrieve all keys (or values) from a std::map? http://stackoverflow.com/questions/110157/how-to-retrieve-all-keys-or-values-from-a-stdmap  come out struct RetrieveKey template typename T typename T first_type operator T keyValuePair const  return keyValuePair.first map.. 
 Is there a Java Map keySet() equivalent for C++'s std::map? http://stackoverflow.com/questions/2467000/is-there-a-java-map-keyset-equivalent-for-cs-stdmap  std unary_function const Pair const typename Pair first_type const typename Pair first_type operator const Pair p const .. Pair const typename Pair first_type const typename Pair first_type operator const Pair p const  return p.first template typename.. 
 How do you reconcile common C++ naming conventions with those of the libraries http://stackoverflow.com/questions/350419/how-do-you-reconcile-common-c-naming-conventions-with-those-of-the-libraries  and fields find_first_of lower_bound reverse_iterator first_type . Further complicating the picture are operating system and.. 
 Does the default constructor of std::pair<> set basic types (int, etc) to zero? http://stackoverflow.com/questions/9025792/does-the-default-constructor-of-stdpair-set-basic-types-int-etc-to-zero  2 3  constexpr pair 2 Requires is_default_constructible first_type value is true and is_default_constructible second_type value.. 
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