meshell

// Until C++11
template<class T>
struct p
{
    typedef T* Type;
};
p<float>::Type y; // y is of type float*

// Since C++11: alias template
template<class T>

meshell

#include <vector> 
#include <algorithm> 

int main() { 	
    std::vector<int> v = {1, 2, 3, 4, 2, 5, 2, 6}; 	
    v.erase(std::remove(std::begin(v), 
                        std::end(v), 
                        2), 	        
            std::end(v)); 

meshell

class base {
 public:
    virtual ~base() = default;
    base(const base&) = default;
    base(base&&) = default;
    base& operator=(const base&) = default;
    base& operator=(base&&) = default;
};

meshell

#include <string>

class foo {
public:
    // Constructor
    foo(const std::string& arg) : cppstring(arg) {}
private:
     std::string cppstring
};

meshell

#include <cstring>
#include <iostream>

class foo
{
    public:
        explicit foo(const char* arg) : cstring{new char[std::strlen(arg)+1]} {
            std::strcpy(cstring, arg);
        }
        ~foo() {

meshell

#include <cstring>
#include <iostream>

class foo
{
    public:
        // Constructor
        explicit foo(const char* arg) : cstring{new char[std::strlen(arg)+1]}
        {
            std::strcpy(cstring, arg);

meshell

#include "pimpl.h"
#include <iostream>

#include <string>
#include <vector>

class foo::impl {
public:
  void initialize() {
    member1 = "Hello";

meshell

#ifndef DOUBLE_LINKED_LIST_H
#define DOUBLE_LINKED_LIST_H

#include <vector>
#include <memory>
#include <iostream>

template<typename T>
struct Node {
    explicit Node(T val)

meshell

// unique object ownership
auto unique = std::unique_ptr<widget>(new widget());
auto unique = std::make_unique<widget>();


// shared object ownership
auto shared = std::make_shared<widget>();

// weak reference to an object managed by std::shared_ptr
std::weak_ptr<widget> weak = shared;

meshell

#include <cstdio>
#include <cstdlib>
#include <memory>

int main()
{
    auto file_open = [](const char* filename, const char* mode) -> FILE* 
    {
        return std::fopen(filename, mode);
    };