template

function template.

normal function template.

template<class T>
void pri(T a){}

template specicalization.

template<>
void pri<bool>(){}

class template.

normal class template.

template<class T>
class A{void p(T v){}};

full template specialization.

template<>
class A{void xx(){}};

partial template specialization.

template<>
void A::p<int>(){}

note1:the function p must exists.
note2:The <type> is optional if compiler can conclude which function to call on the basis of par type when invoke function p,otherwise it's necceseery.