namespace DB { class FunctionFactory; void registerFunctionAddressToSymbol(FunctionFactory & factory); void registerFunctionDemangle(FunctionFactory & factory); void registerFunctionAddressToLine(FunctionFactory & factory); void registerFunctionsIntrospection(FunctionFactory & factory) { registerFunctionAddressToSymbol(factory); registerFunctionDemangle(factory); registerFunctionAddressToLine(factory); } }