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c++ Programming Glossary: lvalueHow to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c mutate the object in which case use pass by a non const lvalue reference unless you pass objects of derived classes as base..
When does invoking a member function on a null instance result in undefined behavior? http://stackoverflow.com/questions/2474018/when-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha However one can try to deduced it from §3.10 2 An lvalue refers to an object or function. When dereferencing the result.. an object or function. When dereferencing the result is an lvalue. A null pointer does not refer to an object therefore when we.. does not refer to an object therefore when we use the lvalue we have undefined behavior. The problem is that the previous..
http://stackoverflow.com/questions/3106110/what-is-move-semantics exact same object every time We call expressions such as x lvalues . The arguments in lines 2 and 3 are not lvalues but rvalues.. such as x lvalues . The arguments in lines 2 and 3 are not lvalues but rvalues because the underlying string objects have no names.. on whether the argument to the assignment operator is an lvalue or an rvalue. So if you say a b the copy constructor will initialize..
What are rvalues, lvalues, xvalues, glvalues, and prvalues? http://stackoverflow.com/questions/3601602/what-are-rvalues-lvalues-xvalues-glvalues-and-prvalues are rvalues lvalues xvalues glvalues and prvalues In C 03 an expression is either.. are rvalues lvalues xvalues glvalues and prvalues In C 03 an expression is either an rvalue or.. prvalues In C 03 an expression is either an rvalue or an lvalue . In C 11 an expression can be an rvalue lvalue xvalue glvalue..
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