Mikhail Glukhikh
9ef89447b3
Before this commit, sealed sub-class without state was considered a style issue. After this commit, sealed sub-class without state AND custom equals is considered a probable bug, because comparison of its instances is very fragile. Alternative fix (generate equals & hashCode by identity) is added.
12 lines
213 B
Kotlin
Vendored
12 lines
213 B
Kotlin
Vendored
// PROBLEM: none
|
|
|
|
sealed class SC {
|
|
<caret>class U : SC()
|
|
|
|
fun foo() = 42
|
|
|
|
override fun equals(other: Any?): Boolean {
|
|
if (other !is SC) return false
|
|
return foo() == other.foo()
|
|
}
|
|
} |