struct S {}; S operator"" s(unsigned long long) { return S(); } int main() { auto a = 1_s; return 0; }
Standard input is empty
prog.cpp:3:14: warning: literal operator suffixes not preceded by '_' are reserved for future standardization S operator"" s(unsigned long long) ^ prog.cpp: In function 'int main()': prog.cpp:10:11: error: unable to find numeric literal operator 'operator""_s' auto a = 1_s; ^
Standard output is empty