Files
kotlin-fork/compiler/testData/diagnostics/tests/smartCasts/whenExprNonNull.kt
T
Dmitry Petrov f371e67ce8 PatternMatchingTypingVisitor:
rewrite type inference for 'when' using special constructs.
This fixes several type inference issues for 'when':
KT-9929, KT-9972, KT-10439, KT-10463
along with some other diagnostics-related issues.
2016-01-22 10:41:55 +03:00

19 lines
449 B
Kotlin
Vendored

fun baz(s: String?): String {
if (s == null) return ""
// if explicit type String is given for t, problem disappears
val t = when(<!DEBUG_INFO_SMARTCAST!>s<!>) {
// !! is detected as unnecessary here
"abc" -> <!DEBUG_INFO_SMARTCAST!>s<!>
else -> "xyz"
}
return t
}
fun foo(s: String?): String {
val t = when {
s != null -> <!DEBUG_INFO_SMARTCAST!>s<!>
else -> ""
}
return t
}