A template class is a class that takes a template parameter. Or: a template class defines how a group of classes should be generated, as opposed to a class in C++ as being how the group of objects should be generated:


template <class T>

struct MyClass

{

  T x;

};



int main()

{

  MyClass<int> m;

  m.x = 10;

}

Many STL classes are template classes.

There is no semantic difference between class and typename in a template-parameter [1].

Examples

Example 1: class holding a templated member variable
Example 2: class that has a class template type
Example 3: class that has an integer template type
Example 4: class that has an enum class template type
Example 5: copy policy of integer class
Example 6: copy policy of template class type, two specialized classes
Example 7: copy policy of template class type, two partially specialized classes

References

C++. International Standard. ISO/IEC 14882. Second edition. Paragraph 14.1.2.

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(C++) Template class

Examples

References