brtunately, change ans that itS to objects from input file, since it doesn't work if a user enters Date::jan. Write a toMonth function that can be used to enter a month as an integer. Throw invalid_argument if it fails. |Month m = toMonth(3); // returns Month:: mar udts.cpp 1 #include 2 #include 3 #include "date.h" 4 using namespace std; 5 6 /** Construct a valid Month. 7 @param mm the month in the range 1-12 @exception throw invalid_argument if out of range. @return the correct Month. 9 10 11 */ 12 Month toMonth(int mm) 13 { 14 15 16 17 } Demo.cpp 1 #include 2 #include 3 #include "date.h" 4 using namespace std; 5 6 int main() cout « "Enter date as mm/dd/yyyy: "; int mm, dd, yyyy; char slash; cin » mm » slash » dd » slash » yyyy; 9 10 11 12 13 try { Date d = makeDate (toMonth(mm), dd, yyyy); cout « "The date is " « d « endl; 14 15 16 17 18 catch (invalid_argument& e) { cout « e.what () « endl; 19 20 21
brtunately, change ans that itS to objects from input file, since it doesn't work if a user enters Date::jan. Write a toMonth function that can be used to enter a month as an integer. Throw invalid_argument if it fails. |Month m = toMonth(3); // returns Month:: mar udts.cpp 1 #include 2 #include 3 #include "date.h" 4 using namespace std; 5 6 /** Construct a valid Month. 7 @param mm the month in the range 1-12 @exception throw invalid_argument if out of range. @return the correct Month. 9 10 11 */ 12 Month toMonth(int mm) 13 { 14 15 16 17 } Demo.cpp 1 #include 2 #include 3 #include "date.h" 4 using namespace std; 5 6 int main() cout « "Enter date as mm/dd/yyyy: "; int mm, dd, yyyy; char slash; cin » mm » slash » dd » slash » yyyy; 9 10 11 12 13 try { Date d = makeDate (toMonth(mm), dd, yyyy); cout « "The date is " « d « endl; 14 15 16 17 18 catch (invalid_argument& e) { cout « e.what () « endl; 19 20 21
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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