Hi. https://svn.boost.org/trac/boost/ticket/5544 This ticket is break change. Please write history document, and release note. example: #include <iostream> #include <boost/range/irange.hpp> #include <boost/range/algorithm/for_each.hpp> void disp(int x) { std::cout << x << std::endl; } int main() { boost::for_each(boost::irange(0, 9, 2), disp); } 1.46.1 result: 0 2 4 6 1.47.0 result: 0 2 4 6 8

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