1 ifndef DATE_H 2 #define DATE H 3 finclude 5 6 enum class Month { 7 jan = 1, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec 9 }; 8. 11 struct Date 12 { 13 int day = 1; 14 int month = 1; 15 16 }; 17 Date makeDate(int month, int day, int year); 18 std::ostream& operator<<(std::ostream& out, const Date& d); 19 inline int isleapYear(int y) { return (y $ 4 = 0 66 y $ 100 != 0) || y % 400 = 8; } 20 fendif int year = 1978;
1 ifndef DATE_H 2 #define DATE H 3 finclude 5 6 enum class Month { 7 jan = 1, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec 9 }; 8. 11 struct Date 12 { 13 int day = 1; 14 int month = 1; 15 16 }; 17 Date makeDate(int month, int day, int year); 18 std::ostream& operator<<(std::ostream& out, const Date& d); 19 inline int isleapYear(int y) { return (y $ 4 = 0 66 y $ 100 != 0) || y % 400 = 8; } 20 fendif int year = 1978;
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Examine this code:
| Date d = makeDate(7, 4, 1776);
Is this Independence Day or is it April 7th? makeDate can be confusing since all three arguments are
int. The interface is brittle. Make it stronger by changing the type of the month parameter.
date.h
1 fifndef DATE_H
2 #define DATE H
3 finclude <iostream>
4 #include <iomanip>
enum class Month {
jan
= 1, feb, mar, apr, may, jun,
jul, aug, sep, oct, nov, dec
9 };
7
10
11
struct Date
12 {
13
int day = 1;
14
int month = 1;
15
int year = 1970;
16 };
Date makeDate(int month, int day, int year);
17
18 std::ostream& operator<<(std:ostreams out, const Date& d);
inline int isleapYear(int y) { return (y % 4 = 0 && y % 180 != ®) || y % 409 = 0; }
19
20
#endif
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