Dmitriy Novozhilov
38 lines
739 B
Kotlin
Vendored
38 lines
739 B
Kotlin
Vendored
// WITH_RUNTIME
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// FILE: 1.kt
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package test
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enum class Id {
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OK,
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FAIL
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}
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sealed class Base(val id: Id)
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class A(id: Id) : Base(id)
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class B(id: Id) : Base(id)
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inline fun <reified T : Base> process(t: T, f: (T) -> Unit): Base? {
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f(t)
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return getSomeBaseObject(t.id) as? T ?: throw RuntimeException()
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}
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fun getSomeBaseObject(id: Id): Base = if (id == Id.OK) A(id) else B(id)
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// FILE: 2.kt
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import test.*
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fun doSth(base: Base): Base? =
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if (base is A) process(base, f = ::doSomethingInCaseOfA)
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else if (base is B) process(base, f = ::doSomethingInCaseOfB) else error("123")
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fun doSomethingInCaseOfA(a: A) {}
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fun doSomethingInCaseOfB(b: B) {}
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fun box(): String {
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val a = doSth(A(Id.OK))!!
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return a.id.name
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}
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