27 lines
504 B
Go
27 lines
504 B
Go
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import reflect
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type happinessTester interface {
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happy() bool
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}
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type bottleOfWine struct {
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USD float64
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empty bool
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}
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func (b *bottleOfWine) happy() bool {
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return b.USD > 10 && !b.empty
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}
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func main() {
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partySupplies := []happinessTester{
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&picnicBasket{2, true},
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&bottleOfWine{USD: 6},
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}
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for _, ps := range partySupplies {
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fmt.Printf("%s: happy? %t\n",
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reflect.Indirect(reflect.ValueOf(ps)).Type().Name(),
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ps.happy())
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}
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}
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