Files
kotlin-fork/compiler/testData/diagnostics/tests/generics/nullability/tpInBounds.kt
T
Mikhail Zarechenskiy bcc8802014 [NI] Avoid constraints from expected type for effectively empty system
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.
2019-04-17 12:55:12 +03:00

41 lines
803 B
Kotlin
Vendored

// !WITH_NEW_INFERENCE
// !DIAGNOSTICS: -UNUSED_VALUE,-UNUSED_VARIABLE,-ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE,-VARIABLE_WITH_REDUNDANT_INITIALIZER
class A<T : CharSequence?, E1 : T, E2: T?> {
fun T.bar() {}
fun foo(x: E1, y: E2) {
x.bar()
if (1 == 1) {
y<!UNSAFE_CALL!>.<!>bar()
}
x?.bar()
y?.bar()
var t: T = x
var tN: T? = y
// condition needed to make smart cast on tN impossible
if (1 == 1) {
tN = x
}
if (1 == 1) {
t = <!TYPE_MISMATCH!>tN<!>
}
t = <!TYPE_MISMATCH!>y<!>
if (y != null) {
t = <!DEBUG_INFO_SMARTCAST!>y<!>
}
if (tN != null) {
t = <!DEBUG_INFO_SMARTCAST!>tN<!>
}
}
}