50 lines
772 B
Go
50 lines
772 B
Go
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package main
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import (
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"fmt"
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"math"
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)
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// I have changed the names of the types and interface methods because they conflict with
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// the go native library
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type geometry interface {
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areaa() float64
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perimm() float64
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}
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type recta struct {
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width, height float64
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}
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type circle struct {
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radius float64
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}
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func (r recta) areaa() float64 {
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return r.width * r.height
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}
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func (r recta) perimm() float64 {
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return 2*r.width + 2*r.height
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}
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func (c circle) areaa() float64 {
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return math.Pi * c.radius * c.radius
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}
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func (c circle) perimm() float64 {
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return 2 * math.Pi * c.radius
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}
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func measure(g geometry) {
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fmt.Println(g)
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fmt.Println(g.areaa())
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fmt.Println(g.perimm())
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}
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func main() {
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r := recta{width: 3, height: 4}
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c := circle{radius: 5}
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measure(r)
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measure(c)
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}
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