To access a type name that depends on a template parameter, you have to qualify the name with a leading typename .
Nested classes and member functions can also be templates. One application is the ability to implement generic operations with internal type conversions. However, type checking still occurs.
Template versions of assignment operators don't replace default assignment operators.
You can also use class templates as template parameters, as so-called template template parameters .
Template template arguments must match exactly. Default template arguments of template template arguments are ignored.
By explicitly calling a default constructor, you can make sure that variables and members of templates are initialized by a default value even if they are instantiated with a built-in type.
For string literals there is an array-to-pointer conversion during argument deduction if and only if the parameter is not a reference.
