Mikhail Glukhikh
41 lines
884 B
Kotlin
Vendored
41 lines
884 B
Kotlin
Vendored
// !LANGUAGE: +BooleanElvisBoundSmartCasts
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// See KT-20752
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class Unstable {
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val first: String? get() = null
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}
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class StringList {
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fun remove(s: String) = s
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}
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fun StringList.remove(s: String?) = s ?: ""
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fun String.isEmpty() = this == ""
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fun foo(list: StringList, arg: Unstable) {
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list.remove(arg.first)
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if (arg.first?.isEmpty() ?: false) {
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// Ideally should have smart cast impossible here
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list.remove(<!SMARTCAST_IMPOSSIBLE!>arg.first<!>)
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}
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}
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class UnstableBoolean {
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val first: Boolean? get() = null
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}
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class BooleanList {
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fun remove(b: Boolean) = b
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}
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fun BooleanList.remove(b: Boolean?) = b ?: false
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fun bar(list: BooleanList, arg: UnstableBoolean) {
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list.remove(arg.first)
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if (arg.first ?: false) {
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// Ideally should have smart cast impossible here
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list.remove(<!SMARTCAST_IMPOSSIBLE!>arg.first<!>)
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}
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}
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