17 lines
439 B
Text
17 lines
439 B
Text
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object abstractTypes extends Application {
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abstract class Buffer {
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type T; val element: T
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}
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abstract class SeqBuffer {
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type T; val element: Seq[T]; def length = element.length
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}
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def newIntBuffer(el: Int) = new Buffer {
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type T = Int; val element = el
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}
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def newIntBuffer(el: Int*) = new SeqBuffer {
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type T = Int; val element = el
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}
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println(newIntBuffer(1).element)
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println(newIntBuffer(1, 2, 3).length)
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}
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