id summary reporter owner description type status milestone component version severity resolution keywords cc 12726 compilation errors for iOS API support@… Peter Dimov "Hello, bind seems to be broken. i tried to use xcode 8.2.1 (8C1002) compile bind.hpp to app, it reports error below: /usr/local/include/boost/operators.hpp:799:1: Declaration of anonymous class must be a definition /usr/local/include/boost/operators.hpp:799:1: A non-type template parameter cannot have type 'class B' /usr/local/include/boost/operators.hpp:799:1: Template argument for template type parameter must be a type after remove below line, it works well BOOST_OPERATOR_TEMPLATE4(random_access_iteratable) Can anybody confirm this behaviour? Operating system: OS X 10.12.2 Boost compiled using Apple LLVM 8.0 Thanks " Bugs new To Be Determined bind Boost 1.63.0 Problem