Traits Go Mainstream...
summary
Shows that type traits become necessary once C++11 universal references start stealing overloads and breaking intent by matching almost everything. Demonstrates concrete fixes: universal reference greediness reproduces surprising overload wins, tag dispatch routes to widget vs nonwidget implementations, and using std::enable_if in return or dummy parameters disables templates for nonmatching types. Includes code snippets that disambiguate constructors and forwarding functions and confirms the techniques compile and select the expected overloads.
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