Changes for page Code Example: Data Structure Style vs. Object Style

Last modified by chrisby on 2024/03/03 17:01

From 3.1 to 2.4

From version 2.4

edited by chrisby
on 2024/03/03 14:45

Change comment: There is no comment for this version

To version 1.1

edited by chrisby
on 2024/03/03 14:40

Change comment: There is no comment for this version

Summary

Page properties

Content

@@ -1,55 +1,1 @@
--### Data Structure Style
--
--    type Square struct {
--      length float
--    }
--
--    type Circle struct {
--      length float
--    }
--
--    func Area(g GeometricObject) float {
--      switch (g.type()):
--        case Circle:
--          return
--        case Square:
--          return ...
--    }
--
--    func Circumference(g GeometricObject) float {
--      ...
--    }
--
--#### Object-Oriented Style
--
--    class Square {
--      length float
--
--      constructor(length float) {
--        this.length = length
--      }
--
--      func Area() float {
--        return this.length * this.length
--      }
--
--      func Circumference() float {
--        return 4 * this.length
--      }
--    }
--
--    class Circle {
--      radius float
--
--      constructor(radius float) {
--        this.radius = radius
--      }
--
--      func Area() float {
--        return PI * this.radius * this.radius
--      }
--
--      func Circumference() float {
--        return 2 * PI * this.radius
--      }
--    }
++```