27 lines
388 B
Go
27 lines
388 B
Go
package main
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import "fmt"
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type rect struct {
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width, height int
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}
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func (r *rect) area() int {
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return r.width * r.height
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}
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func (r rect) perim() int {
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return 2*r.width + 2*r.height
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}
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func main() {
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r := rect{width: 10, height: 5}
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fmt.Println("area: ", r.area())
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fmt.Println("preim: ", r.perim())
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rp := &r
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fmt.Println("area: ", rp.area())
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fmt.Println("perim: ", rp.perim())
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}
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