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break the long line

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Jidong Xiao
2023-09-07 22:06:53 -04:00
parent 7c31ef173a
commit 10ee772a1f
1 changed files with 4 additions and 2 deletions
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6
lectures/03_classes_I/README.md
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@@ -6,7 +6,7 @@
- [date_main.cpp](./date_main.cpp) - [date_main.cpp](./date_main.cpp)
- Class declaration: member variables and member functions; Using the class member functions; - Class declaration: member variables and member functions; Using the class member functions;
- Member function implementation; Class scope; Classes vs. structs; Designing classes; - Member function implementation; Class scope; Designing classes;
- Defining a custom sort of class instances. - Defining a custom sort of class instances.
## 3.1 Types and Defining New Types ## 3.1 Types and Defining New Types
@@ -133,7 +133,9 @@ sort(dates.begin(), dates.end(), earlier_date);
Where earlier_date is a helper function we define in date.h and date.cpp that takes two const references to Date objects and returns true if and only if the first argument should be considered “less” than the second in the sorted order. Where earlier_date is a helper function we define in date.h and date.cpp that takes two const references to Date objects and returns true if and only if the first argument should be considered “less” than the second in the sorted order.
```cpp ```cpp
bool earlier_date (const Date& a, const Date& b) { bool earlier_date (const Date& a, const Date& b) {
if (a.getYear() < b.getYear() || (a.getYear() == b.getYear() && a.getMonth() < b.getMonth()) || (a.getYear() == b.getYear() && a.getMonth() == b.getMonth() && a.getDay() < b.getDay())) if (a.getYear() < b.getYear() ||
(a.getYear() == b.getYear() && a.getMonth() < b.getMonth()) ||
(a.getYear() == b.getYear() && a.getMonth() == b.getMonth() && a.getDay() < b.getDay()))
return true; return true;
else else
return false; return false;