Foreach in C++ stl

#define PPUniVar(name) name##__FILE__##__LINE__ #define foreach(var, collection) \ typeof(collection) PPUniVar(collection_to_iter) = (collection); \ typedef typeof(PPUniVar(collection_to_iter)) PPUniVar(collection_type); \ for (PPUniVar(collection_type)::iterator var=collection.begin(); var!=collection.end(); var++)