Dmitriy Novozhilov
15 lines
310 B
Kotlin
Vendored
15 lines
310 B
Kotlin
Vendored
interface Ext<M : Message<M>, T>
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interface Message<M : Message<M>> {
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fun <T> ext(e: Ext<M, T>): T
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}
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class MyMessage : Message<MyMessage>
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class MyExt : Ext<MyMessage, String>
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fun <M : Message<M>, T> Message<M>.extF(e: Ext<M, T>): T = ext(e)
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fun foo(m: MyMessage, e: MyExt) {
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m.ext(e)
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m.extF(e)
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}
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