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interfaces_1.go
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/
interfaces_1.go
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package main
import (
"math"
"fmt"
)
ty
type circle struct {
radius float64
}
type rect struct {
width float64
height float64
}
func (r *rect) area() float64 {
return r.width * r.height
}
func (c circle) area() float64 {
return math.Pi * c.radius * c.radius
}
func getArea(s shape) float64 {
return s.area()
}
func main() {
c1 := circle{4.5}
r1 := rect{5, 6}
shapes := []shape{c1, r1}
for _, calc := range shapes {
fmt.Println(getArea(calc))
//fmt.Println(calc)
}
}pe shape interface {
area() float64
}
type circle struct {
radius float64
}
type rect struct {
width float64
height float64
}
func (r *rect) area() float64 {
return r.width * r.height
}
func (c circle) area() float64 {
return math.Pi * c.radius * c.radius
}
func getArea(s shape) float64 {
return s.area()
}
func main() {
c1 := circle{4.5}
r1 := rect{5, 6}
shapes := []shape{c1, r1}
for _, calc := range shapes {
fmt.Println(getArea(calc))
//fmt.Println(calc)
}
}