Exercises & activities from the go workshop provided by Packt: https://courses.packtpub.com/courses/go
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62 lines
884 B
62 lines
884 B
package main
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import "fmt"
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type Shape interface {
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Area() float64
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Name() string
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}
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type triangle struct {
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base float64
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height float64
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}
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type rectangle struct {
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length float64
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width float64
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}
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type square struct {
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side float64
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}
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func (t triangle) Area() float64 {
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return (t.base * t.height) / 2
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}
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func (t triangle) Name() string {
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return "triangle"
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}
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func (r rectangle) Area() float64 {
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return r.length * r.width
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}
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func (r rectangle) Name() string {
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return "rectangle"
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}
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func (s square) Area() float64 {
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return s.side * s.side
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}
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func (s square) Name() string {
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return "square"
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}
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func printShapeDetails(shapes ...Shape) {
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for _, item := range shapes {
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fmt.Printf("The area of %s is %.2f\n", item.Name(), item.Area())
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}
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}
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func main() {
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t := triangle{15.5, 20.1}
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r := rectangle{20, 10}
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s := square{10}
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printShapeDetails(t, r, s)
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}
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