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

From version 3.4
edited by chrisby
on 2024/03/03 15:06
Change comment: There is no comment for this version
To version 3.6
edited by chrisby
on 2024/03/03 15:17
Change comment: There is no comment for this version

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... ... @@ -7,15 +7,15 @@
7 7  
8 8  ### Data Structure Style
9 9  
10 - type Square struct {
10 + struct Square {
11 11   length float
12 12   }
13 13  
14 - type Circle struct {
14 + struct Circle {
15 15   radius float
16 16   }
17 17  
18 - func Circumference(g Object) float {
18 + function Circumference(g Object) float {
19 19   switch type(g):
20 20   case Square:
21 21   return 4 * g.length
... ... @@ -23,7 +23,8 @@
23 23   return 2 * PI * g.radius
24 24   }
25 25  
26 -1.
26 +1. Adding a function Area() with the same anatomy as Circumference() is easy, since it only requires adding new code.
27 +1. Adding a new datatype, Rectangle, is more difficult because it requires touching existing code, namely any functions like Circumference() or Area() that need to be enabled handle this datatype.
27 27  
28 28  ####
29 29