Struct method on pointers
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package main
import (
"fmt"
)
type Rect struct {
width, length float64
}
func (rect *Rect) double_area() float64 {
rect.width *= 2
rect.length *= 2
return rect.width * rect.length
}
func main() {
var rect = new(Rect)
rect.width = 10
rect.length = 20
fmt.Println(*rect)
fmt.Println("Double Width:", rect.width, "Double Length:", rect.length,
"Double Area:", rect.double_area())
fmt.Println(*rect)
}
Go
INFO