Sams Teach Yourself C++ in 21 Days

A namespace alias is similar in nature to a typedef. A namespace alias enables you to create another name for a named namespace. ...

Creating and Using Namespaces 657 18 Consider the following code: int x = 4; int main() { for( y = 1; y < 10; y++) { cout &l ...

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DAY 19 WEEK 3 Templates A powerful tool for C++ programmers is “parameterized types” or templates. Templates are so useful that ...

when you want to make a list of Carobjects, you would then have to make a new class, and again you would cut and paste. Needless ...

Templates 661 19 class so that you fully understand how templates work. In a commercial program, how- ever, you would almost cer ...

template <class T> // declare the template and the parameter class Array // the class being parameterized { public: Array( ...

Templates 663 19 LISTING19.1 A Template of an ArrayClass 0: //Listing 19.1 A template of an array class 1: #include <iostream ...

When an instance of an integer array is defined,Tis replaced with an integer, so the operator=that is provided to that array ret ...

Templates 665 19 Implementing the Template ............................................................................ After yo ...

19: 20: Animal::Animal(int weight): 21: itsWeight(weight) 22: {} 23: 24: Animal::Animal(): 25: itsWeight(0) 26: {} 27: 28: 29: t ...

Templates 667 19 67: itsSize = rhs.GetSize(); 68: pType = new T[itsSize]; 69: for (int i = 0; i<itsSize; i++) 70: pType[i] = ...

theArray[0]: 0 theZoo[0]: 0 theArray[1]: 2 theZoo[1]: 3 theArray[2]: 4 theZoo[2]: 6 theArray[3]: 6 theZoo[3]: 9 theArray[4]: 8 t ...

Templates 669 19 the class name. You have declared your type parameter to be Ton line 53, so for the Arrayclass, you use Array&l ...

template class and defining a template member function. First, you indicate that your function is a template, and then you use t ...

Templates 671 19 LISTING19.3 Nontemplate Friend Function 0: // Listing 19.3 - Type specific friend functions in templates 1: 2: ...

48: friend void Intrude(Array<int>); 49: 50: private: 51: T *pType; 52: int itsSize; 53: }; 54: 55: // friend function. No ...

Templates 673 19 96: for (int i = 0; i < itsSize; i++) 97: pType[i] = rhs[i]; 98: return *this; 99: } 100: 101: // driver pro ...

i: 0 i: 2 i: 4 i: 6 i: 8 i: 10 i: 12 i: 14 i: 16 i: 18 Done. The declaration of the Arraytemplate has been extended to include t ...

Templates 675 19 3: 4: const int DefaultSize = 10; 5: 6: class Animal 7: { 8: public: 9: Animal(int); 10: Animal(); 11: ~Animal( ...