| c++ Programming Glossary: deducingOverloading operator<<: cannot bind lvalue to ?˜std::basic_ostream<char>&&??/a> http://stackoverflow.com/questions/10651161/overloading-operator-cannot-bind-lvalue-to-stdbasic-ostreamchar 
 Advantages of using forward http://stackoverflow.com/questions/3582001/advantages-of-using-forward  added rvalue references we can introduce new rules when deducing rvalue reference types and create any desired result. After.. 
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