Actually I got this wrong - the ambiguity occurs with C++11 user-defined literals, not with variable names. See http://www.open-std.org/jtc1/sc22/wg21/docs/pape

Actually I got this wrong - the ambiguity occurs with C++11 user-defined literals, not with variable names. See http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2747.html http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n274...