roata.cpp:10: warning: non-local variable '<anonymous struct> c [100005]' uses anonymous type roata.cpp: In function 'int main()': roata.cpp:31: warning: name lookup of 'i' changed roata.cpp:11: warning: matches this 'i' under ISO standard rules roata.cpp:17: warning: matches this 'i' under old rules roata.cpp:57: error: no matching function for call to 'swap(<anonymous struct>&, <anonymous struct>&)'