id summary reporter owner description type status milestone component version severity resolution keywords cc 2023 Signals library argument typedef errors njoubert@… Douglas Gregor "The Boost.Signals library documentation has a signalN list of typedefs of the form: {{{typedef TN argN_type;}}} This does not match the code. From the form of the typedef, it would be reasonable to assume to code to be incorrect and not the documentation. Please see the attached patch and example program that fails to compile. " Bugs closed Boost 1.36.0 signals Boost 1.35.0 Problem fixed