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Language: C++
Expertise: Beginner
Jul 31, 2001



Building the Right Environment to Support AI, Machine Learning and Deep Learning

Template Parameters and Template Arguments

The terms template argument and template parameter do not mean the same thing. A template parameter is a symbol, or a placeholder which is replaced by the actual argument when you instantiate a template. For example, T in the following template is a template parameter:
template < class T > class List

A template argument is a typename or a const value that a template instance uses. For example:
List <int> li; // 'int' is a template argument

The parameter T is substituted for the arguments 'int' when the List<int> specialization is instantiated.
Danny Kalev
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