10.3 Fundamentals of Operator Overloading
As you saw in Fig. 10.1, overloaded operators provide a concise notation for manipulating
string objects. You can use operators with your own user-defined types as well. Although C++ does not allow new operators to be created, it does allow most existing operators to be overloaded so that, when they’re used with objects, they have meaning appropriate to those objects.
10.3.1 Operator Overloading Is Not Automatic
You must write operator-overloading functions to perform the desired operations. An operator is overloaded by writing a non-
static member function definition or non-member function definition as you normally would, except that the function name starts with the keyword
operator followed by the ...
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