Pattern matching and case classes
16
Functional Group Case class and Pattern Matcher
-
Upload
raphael-ramos-monteiro -
Category
Technology
-
view
92 -
download
2
description
Transcript of Pattern matching and case classes
![Page 1: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/1.jpg)
Functional GroupCase class and Pattern Matcher
![Page 2: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/2.jpg)
How work the case classes?
![Page 3: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/3.jpg)
![Page 4: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/4.jpg)
• Parameters list of case class are added as members automatically
![Page 5: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/5.jpg)
• Automatically add methods for equals, hashCode and to String
![Page 6: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/6.jpg)
• All attributes are passed by constructor method have public acesss
![Page 7: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/7.jpg)
![Page 8: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/8.jpg)
Pattern Matcher
![Page 9: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/9.jpg)
Scala - Match
![Page 10: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/10.jpg)
Match – Undefined type
![Page 11: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/11.jpg)
What is the “_”?
![Page 12: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/12.jpg)
Matching on type
![Page 13: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/13.jpg)
Case class + Pattern Matching
![Page 14: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/14.jpg)
Function without Pattern Matching
![Page 15: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/15.jpg)
With Pattern Matching
![Page 16: Pattern matching and case classes](https://reader038.fdocuments.net/reader038/viewer/2022103110/548b8d7fb479595f668b4590/html5/thumbnails/16.jpg)
Thanks!!