The usual method to employ templates is to supply a type to its parameters. Most C++ beginners at some point have used container, and supplied the value type of the container (and possibly more types for the other parameters such as an allocator type, which are in fact template template arguments).
Less common (in my experience) are nontype template arguments. A simple definition would look like this:
template <typename T, T nontypeParam>
class A
{
...
};
A<int,10> a;
There is also the option of specifying the type directly in the definition:
Continue reading “Non-type template arguments “