38 lines
508 B
Go
38 lines
508 B
Go
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package interfaces
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import (
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"fmt"
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"math"
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)
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type shape interface{
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area() float64
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}
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type rectangle struct{
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rectangle_width, rectangle_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 rectangle) area() float64{
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return r.rectangle_height * r.rectangle_width
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}
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func (c circle) area() float64 {
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return math.Pi * c.radius * c.radius
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}
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func school(s shape) {
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fmt.Println("Area : ", s.area())
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}
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func Demo1() {
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r:= rectangle{
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rectangle_width: 10, rectangle_height: 6,
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}
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school(r)
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}
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