• Input/output (C++) (redirect from Iostream)
    moved into the std namespace, and the main header changed from <iostream.h> to <iostream>. It is this standardized version that is covered in the rest of...
    20 KB (1,342 words) - 13:07, 13 October 2023
  • to expose the functionality of the standard library using modules. C++ <iostream>, unlike C <stdio.h>, relies on a global format state. This fits very poorly...
    18 KB (2,163 words) - 15:40, 12 July 2024
  • can be used to determine if a type contains a certain typedef: #include <iostream> template <typename T> struct has_typedef_foobar { // Types "yes" and "no"...
    6 KB (726 words) - 09:53, 4 August 2024
  • Thumbnail for Singleton pattern
    the pre C++98 implementation in the book [citation needed]. #include <iostream> class Singleton { public: // defines an class operation that lets clients...
    11 KB (996 words) - 22:05, 26 March 2024
  • global variable. Similarly, the global C++ std::cin variable of type <iostream> provides an abstraction via C++ streams. Similar abstractions exist in...
    22 KB (2,487 words) - 13:07, 21 March 2024
  • applied to a temporary object that has been bound to a reference. #include <iostream> int n = 0; struct C { explicit C(int) {} C(const C&) { ++n; } // the copy...
    13 KB (1,375 words) - 20:40, 12 March 2024
  • table has a size of ten. Each value is the square of the index. #include <iostream> #include <array> constexpr int TABLE_SIZE = 10; /** * Variadic template...
    26 KB (3,113 words) - 21:40, 29 May 2024
  • Thumbnail for Quine (computing)
    source for a C++ program that outputs the original Java code. #include <iostream> #include <string> using namespace std; int main(int argc, char* argv[])...
    25 KB (2,505 words) - 11:33, 20 June 2024
  • plusthree←+∘3 g←plusthree twice g 7 13 Using std::function in C++11: #include <iostream> #include <functional> auto twice = [](const std::function<int(int)>& f)...
    24 KB (2,627 words) - 09:54, 19 July 2024
  • Thumbnail for CMake
    hello world program written in C++ by using CMake. // hello.cpp #include <iostream> int main() { std::cout << "Hello, world!\n"; } # CMakeLists.txt...
    22 KB (2,251 words) - 09:10, 1 August 2024
  • implementation is based on the pre C++98 implementation in the book. #include <iostream> #include <memory> // Beverage interface. class Beverage { public: virtual...
    38 KB (4,186 words) - 02:36, 23 January 2024
  • #include <iostream> // The same large, standard header void bar() // Definition of function 'bar' { ... } Now the standard header file (iostream) is compiled...
    5 KB (588 words) - 21:59, 8 July 2022
  • basic to the operation of iostreams. <iosfwd> Provides forward declarations of several I/O-related class templates. <iostream> Provides C++ input and output...
    23 KB (2,404 words) - 04:39, 6 January 2024
  • Thumbnail for Dining philosophers problem
    Dijkstra's solution with Tanenbaum's changes: #include <chrono> #include <iostream> #include <mutex> #include <random> #include <semaphore> #include <thread>...
    21 KB (2,730 words) - 01:30, 29 July 2024
  • Thumbnail for C++
    Library stream facility to write a message to standard output: #include <iostream> int main() { std::cout << "Hello, world!\n"; } As in C, C++ supports four...
    93 KB (9,516 words) - 22:03, 7 August 2024
  • evaluateAndDerive(B, V); return {a * b, b * a' + a * b'}; } #include <iostream> struct ValueAndPartial { float value, partial; }; struct Variable; struct...
    39 KB (5,544 words) - 22:54, 23 July 2024
  • Thumbnail for GNU Multiple Precision Arithmetic Library
    -lgmpxx -lgmp flags are used if compiling on Unix-type systems.) #include <iostream> #include <gmpxx.h> int main() { mpz_class x("7612058254738945"); mpz_class...
    10 KB (640 words) - 04:58, 24 July 2024
  • Thumbnail for Virtual inheritance
    below may be explored interactively here. #include <string> #include <iostream> class A { private: std::string _msg; public: A(std::string x): _msg(x)...
    13 KB (1,649 words) - 05:50, 12 October 2023
  • Several alternatives to stdio have been developed. Among these is the C++ iostream library, part of the ISO C++ standard. ISO C++ still requires the stdio...
    19 KB (886 words) - 21:34, 28 February 2024
  • some other purpose, such as returning an error value. A common example is iostream in C++, where for example << returns the left object, allowing chaining...
    4 KB (453 words) - 14:32, 31 December 2023
  • Thumbnail for Computer program
    program for demonstration: // student_dvr.cpp // --------------- #include <iostream> #include "student.h" int main( void ) { STUDENT *student = new STUDENT(...
    127 KB (13,304 words) - 14:11, 6 August 2024
  • implementation is based on the pre C++98 implementation in the book. #include <iostream> #include <memory> enum ProductId {MINE, YOURS}; // defines the interface...
    18 KB (1,813 words) - 18:16, 12 June 2024
  • typeid(*p) where p is any expression resulting in a null pointer. #include <iostream> #include <typeinfo> class Person { public: virtual ~Person() = default;...
    13 KB (1,449 words) - 14:43, 6 March 2024
  • requires the name of the last fixed argument of the function. #include <iostream> #include <cstdarg> void simple_printf(const char* fmt...) // C-style "const...
    27 KB (3,239 words) - 15:47, 27 July 2024
  • those that do not participate in polymorphism. C++ Example: #include <iostream> #include <memory> class Super { public: virtual ~Super() = default; virtual...
    15 KB (1,837 words) - 18:00, 19 May 2024
  • std::function, of which the instances are function objects: #include <iostream> #include <functional> using namespace std; static double derivative(const...
    17 KB (2,214 words) - 13:18, 16 July 2024
  • the 1970s, and numerous examples in the 1980s. A common example is the iostream library in C++, which uses the << or >> operators for the message passing...
    25 KB (2,888 words) - 04:25, 4 August 2024
  • similar to method cascading. A common example is the << operator in the C++ iostream library, which allows fluent output, as follows: cout << "Hello" << " "...
    23 KB (1,764 words) - 14:33, 6 August 2024
  • Integer entered is a Narcissistic / Armstrong number or not. #include <iostream> #include <cmath> bool isArmstrong(int n) { //The floor function is redundant...
    17 KB (1,877 words) - 15:57, 23 June 2024
  • Thumbnail for Abstract factory pattern
    implementation is based on the pre C++98 implementation in the book. #include <iostream> enum Direction {North, South, East, West}; class MapSite { public: virtual...
    15 KB (1,832 words) - 09:21, 21 April 2024