27 lines
579 B
Go
27 lines
579 B
Go
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package geometry
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type Shape interface {
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Area() float64
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validate() bool
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setID(int)
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}
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type Rectangle struct {
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Width, Height float64
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id int
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}
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func (r *Rectangle) Area() float64 { return r.Width * r.Height }
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func (r *Rectangle) validate() bool { return r.Width > 0 && r.Height > 0 }
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func (r *Rectangle) setID(id int) { r.id = id }
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func (r *Rectangle) GetID() int { return r.id }
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func NewRectangle(width, height float64) *Rectangle {
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return &Rectangle{Width: width, Height: height}
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}
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func RegisterShape(s Shape, id int) error {
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s.setID(id)
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return nil
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}
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