١٠ - سلسلة تعلم سي بلس بلس: Structures

ahmedeldeep · 27 يونيو 2022، 6:36م

يحتوي الفيديو على شرح للقاط الاتية

00:00 - Intro
00:09 - User-Defined Types
02:42 - Structures
04:57 - Structures - access through pointers
05:36 - Structures - pass by reference
06:26 - Structures and Arrays
07:54 - Structures and Classes
11:51 - Fields
15:53 - Outro

تحميل ملف العرض
10 Structures.pdf (462.3% u)

الأمثلة

github.com

ahmedeldeep/cpp-course/blob/master/05-user-types/01-struct.cc


// Structures
// From: The C++ Programming Language (4th Edition), Bjarne Stroustrup

#include <iostream>

struct Address {
  const char* name;
  int number;
  const char* street;
  const char* town;
  char state[2];
  const char* zip;
};

void print_addr(Address* p) {
  std::cout << p->name << '\n'
            << p->number << ' ' << p->street << '\n'
            << p->town << '\n'
            << p->state[0] << p->state[1] << ' ' << p->zip << '\n';

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github.com

ahmedeldeep/cpp-course/blob/master/05-user-types/02-struct-as-class.cc


// Structures
// From: The C++ Programming Language (4th Edition), Bjarne Stroustrup

#include <iostream>
#include <string>

struct Address {
 public:
  Address(const std::string n, int nu, const std::string& s,
          const std::string& t, const std::string& st)
      : _name(n), _number(nu), _street(s), _town(t), _state(st){};
  void print() const;

 private:
  std::string _name;
  int _number;
  std::string _street;
  std::string _town;
  std::string _state;

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github.com

ahmedeldeep/cpp-course/blob/master/05-user-types/03-struct-as-array.cc


// Structures

#include <iostream>
#include <string>

constexpr size_t buffer_size = 14;

struct Data {
  char buffer[buffer_size];
};

int main() {
  Data output;
  strcpy(output.buffer, "Welcome to C++");

  char input_buffer[buffer_size];
  input_buffer = output.buffer;  // error: array type 'char [10]'
                                 // is not assignable

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github.com

ahmedeldeep/cpp-course/blob/master/05-user-types/04-struct-fields.cc


// Structures

struct Status {
  unsigned int TXE : 1;   // Transmit data register empty
  unsigned int TC : 1;    // Transmission complete
  unsigned int RXNE : 1;  // Read data register not empty
  unsigned int ERR : 3;   // Error
  unsigned int : 26;      // Reserved
};

struct Data {
  unsigned int DATA : 8;  // Data
  unsigned int : 24;      // Reserved
};

struct Uart {
  Status SR;  // Status register
  Data DR;    // Data register
};

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