[C++] Skills for using class templates

Class template general definition form
template <type parameter table> class class template name
{     //function body }

template <class Type>
class Container
{
	Type u;
public:
	
	void begin2(const Type& itnew);//声明函数
};

 Class template member function definition form
template <type formal parameter list>
return type class template name <type name list>:: member function name (formal parameter list)
{     //function body }

template <class Type> void Container<Type>::begin2(const Type& p) {
	//函数实现
	u = p;
	cout << u << endl;
}

Note: The name of the class template when defining the member function of the class template must be the same as when defining the class template, template <class Type>.
The class template is not a real class, the class needs to be regenerated, the form of the generated class, the class template name <type actual parameter table>, Container<int>.

 Define the object.

Container<int> myContainer;//定义对象

 [C++] Template description

#include<iostream>
using namespace std;

template <class Type>
class Container
{
	Type u;
public:
	
	void begin2(const Type& itnew);//声明函数
};

template <class Type> void Container<Type>::begin2(const Type& p) {
	//函数实现
	u = p;
	cout << u << endl;
}
int main() {
	Container<int> myContainer;//定义对象
	
	int i = 100;
	myContainer.begin2(i);
	
}

 

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Origin blog.csdn.net/weixin_41865104/article/details/108037023