Changes for page Code Example: Data Structure Style vs. Object Style
Last modified by chrisby on 2024/03/03 17:01
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... ... @@ -1,61 +1,59 @@ 1 -a sd1 +### Data Structure Style 2 2 3 -``` 4 -type Square struct { 5 - length float 6 -} 3 + type Square struct { 4 + length float 5 + } 6 + 7 + type Circle struct { 8 + radius float 9 + } 10 + 11 + func Area(g GeometricObject) float { 12 + switch type(g): 13 + case Square: 14 + return g.length * g.length 15 + case Circle: 16 + return PI * g.radius * g.radius 17 + } 18 + 19 + func Circumference(g GeometricObject) float { 20 + switch type(g): 21 + case Square: 22 + return 4 * g.length 23 + case Circle: 24 + return 2 * PI * g.radius 25 + } 7 7 8 -type Circle struct { 9 - length float 10 -} 27 +#### Object-Oriented Style 11 11 12 -func Area(g GeometricObject) float { 13 - switch (g.type()): 14 - case Circle: 15 - return 16 - case Square: 17 - return ... 18 -} 19 - 20 -func Circumference(g GeometricObject) float { 21 - ... 22 -} 23 -``` 24 - 25 -asd 26 - 27 -``` 28 -# Object-Oriented Style 29 - 30 -class Square { 31 - length float 32 - 33 - constructor(length float) { 34 - this.length = length 35 - } 36 - 37 - func Area() float { 38 - return this.length * this.length # Formula for square area: side^2 39 - } 40 - 41 - func Circumference() float { 42 - return 4 * this.length # Formula for square circumference: 4 * side 43 - } 44 -} 45 - 46 -class Circle { 47 - radius float 48 - 49 - constructor(radius float) { 50 - this.radius = radius 51 - } 52 - 53 - func Area() float { 54 - return 3.14159 * this.radius * this.radius # Formula for circle area: πr^2 55 - } 56 - 57 - func Circumference() float { 58 - return 2 * 3.14159 * this.radius # Formula for circle circumference: 2πr 59 - } 60 -} 61 -``` 29 + class Square { 30 + length float 31 + 32 + constructor(length float) { 33 + this.length = length 34 + } 35 + 36 + func Area() float { 37 + return this.length * this.length 38 + } 39 + 40 + func Circumference() float { 41 + return 4 * this.length 42 + } 43 + } 44 + 45 + class Circle { 46 + radius float 47 + 48 + constructor(radius float) { 49 + this.radius = radius 50 + } 51 + 52 + func Area() float { 53 + return PI * this.radius * this.radius 54 + } 55 + 56 + func Circumference() float { 57 + return 2 * PI * this.radius 58 + } 59 + }