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C++ questions: 1. Given a constant string object str (const std::string str) what methods can be called on str? Give an example of 1 method
C++ questions:
1. Given a constant string object str (const std::string str) what methods can be called on str? Give an example of 1 method that can and 1 method that cannot be called on the object str?
2. When is it safe/appropriate to return a reference from a method?
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