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authorHugo Hörnquist <hugo@lysator.liu.se>2022-09-06 12:24:03 +0200
committerHugo Hörnquist <hugo@lysator.liu.se>2022-09-06 12:24:03 +0200
commit95bfddc4329119535cf2fb47bef3c1b87f61e411 (patch)
tree69c5b24bfe8fb7028450aaed7f0abf38f40329da /C++.wiki
parentons 31 aug 2022 17:37:49 CEST (diff)
downloadwiki-public-95bfddc4329119535cf2fb47bef3c1b87f61e411.tar.gz
wiki-public-95bfddc4329119535cf2fb47bef3c1b87f61e411.tar.xz
tis 6 sep 2022 12:24:03 CEST
Diffstat (limited to 'C++.wiki')
-rw-r--r--C++.wiki83
1 files changed, 3 insertions, 80 deletions
diff --git a/C++.wiki b/C++.wiki
index c12d045..911fd1c 100644
--- a/C++.wiki
+++ b/C++.wiki
@@ -1,90 +1,13 @@
= Contents =
- [[#C++ Examples|C++ Examples]]
- - [[#C++ Examples#Friend operator|Friend operator]]
- [[#C++ Examples#Time Header|Time Header]]
= C++ Examples =
-== Friend operator ==
+- [[C++/Friend Operator]]
+- [[C++/Time Header]]
+- [[C++/Threeway Comparison]]
-{{{c++
-#include <iostream>
-
-class T {
- int x;
-
-public:
- T (int x);
-
- friend std::ostream& operator<<(std::ostream&, const T&);
-};
-
-T::T (int x) {
- this->x = x;
-}
-
-
-std::ostream& operator<<(std::ostream& out, const T& t) {
- out << "T {" << t.x << "}";
- return out;
-}
-
-int main () {
- T t(10);
-
- std::cout << t << std::endl;
-}
-}}}
== Time Header ==
-{{{c++
-#pragma once
-
-#include <ostream>
-
-enum timetype {
- _day, _hour, _minute, _second
-};
-
-class Time {
-private:
-
- int _days = 0;
- int _hours = 0;
- int _minutes = 0;
- int _seconds = 0;
-
-public:
- Time() { };
- Time(int n, timetype type);
-
- int to_seconds() const;
-
- friend std::ostream& operator<<(std::ostream&, const Time&);
- friend Time operator * (int, Time);
-
- Time operator + (const Time&);
- Time operator , (const Time& t) { return *this + t; }
- Time operator && (const Time& t) { return *this + t; }
-};
-
-#define days * Time(1, _day)
-#define day days
-#define hours * Time(1, _hour)
-#define hour hours
-#define minutes * Time(1, _minute)
-#define minute minutes
-#define seconds * Time(1, _second)
-#define second seconds
-
-int main() {
- std::cout
- << 5 days << std::endl
- << 7 minutes << std::endl
- << (5 days and 3 seconds) << std::endl
- << (7 days, 7 minutes and 3 seconds) << std::endl
- << (9 hours and 1 second) << std::endl
- ;
-}
-}}}