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

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

From version 3.3

edited by chrisby
on 2024/03/03 14:57

Change comment: There is no comment for this version

To version 2.1

edited by chrisby
on 2024/03/03 14:41

Change comment: There is no comment for this version

Summary

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Content

@@ -1,49 +1,25 @@
--### Data Structure Style
++asd
--    type Square struct {
--      length float
--    }
--
--    type Circle struct {
--      radius float
--    }
--
--    func Circumference(g Object) float {
--      switch type(g):
--        case Square:
--          return 4 * g.length
--        case Circle:
--          return 2 * PI * g.radius
--    }
++```
++type Square struct {
++  length float
++}
--*
++type Circle struct {
++  length float
++}
--#### Object-Oriented Style
++func Area(g GeometricObject) float {
++  switch (g.type()):
++    case Circle:
++      return
++    case Square:
++      return ...
++}
--    interface GeometricObject {
--      Circumference() float
--    }
--
--    class Square implements GeometricObject {
--      length float
--
--      constructor(length float) {
--        this.length = length
--      }
--
--      func Circumference() float {
--        return 4 * this.length
--      }
--    }
--
--    class Circle implements GeometricObject {
--      radius float
--
--      constructor(radius float) {
--        this.radius = radius
--      }
--
--      func Circumference() float {
--        return 2 * PI * this.radius
--      }
--    }
++func Circumference(g GeometricObject) float {
++  ...
++}
++```
++
++asd