Jinseong Jeon
11 lines
249 B
Kotlin
Vendored
11 lines
249 B
Kotlin
Vendored
open class Foo {
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open fun foo(x: CharSequence = "O"): CharSequence = x
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}
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class Bar(): Foo() {
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override fun foo(x: CharSequence): String { // Note the covariant return type
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return x.toString() + "K"
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}
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}
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fun box() = Bar().foo()
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