- list<string> platforms = list_filtered(platforms_dir, "^android-[1-9][0-9]*$");
-
- for(list<string>::const_iterator i=platforms.begin(); i!=platforms.end(); ++i)
- supported_api_levels.insert(lexical_cast<unsigned>(i->substr(8)));
+ for(const string &p: list_filtered(platforms_dir, "^android-[1-9][0-9]*$"))
+ supported_api_levels.insert(lexical_cast<unsigned>(p.substr(8)));