Mikhail Zarechenskiy
bcc8802014
Expression will be checked against expected type later. Theoretically, this is not very good, but it aligns with the old inference, plus it helps avoiding multiple type mismatch diagnostics.
37 lines
848 B
Kotlin
Vendored
37 lines
848 B
Kotlin
Vendored
// !WITH_NEW_INFERENCE
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fun foo(s: Any?): String {
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val t = when {
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// To resolve: String U Nothing? = String?
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s is String -> <!DEBUG_INFO_SMARTCAST!>s<!>
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else -> null
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} ?: ""
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return t
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}
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fun bar(s: Any?): String {
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// To resolve: String U Nothing? = String?
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val t = (if (s == null) {
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null
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}
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else {
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val u: Any? = null
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if (u !is String) return ""
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<!DEBUG_INFO_SMARTCAST!>u<!>
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}) ?: "xyz"
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// Ideally we should have smart cast to String here
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return t
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}
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fun baz(s: String?, r: String?): String {
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val t = r ?: when {
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s != null -> <!DEBUG_INFO_SMARTCAST!>s<!>
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else -> ""
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}
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return t
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}
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fun withNull(s: String?): String {
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val t = s <!USELESS_ELVIS_RIGHT_IS_NULL!>?: null<!>
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// Error: nullable
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return <!TYPE_MISMATCH!>t<!>
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} |