| import kotlin.reflect.KProperty |
| |
| // Definitions |
| class M<E> |
| |
| operator fun <X> M<out X>.getValue(thisRef: Any?, property: KProperty<*>): String = "value" |
| operator fun <Z> M<in Z>.setValue(thisRef: Any?, property: KProperty<*>, value: Z) {} |
| |
| fun <U> m(): M<U> = M() |
| |
| // We don't allow to infer type of a delegate expression through a setValue, where the argument (value) is constrained by the return type of a getValue |
| var a by <!CANNOT_INFER_PARAMETER_TYPE, DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!><!CANNOT_INFER_PARAMETER_TYPE, NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>m<!>()<!> |
| |
| // We infer type of delegate expression through a setValue from the explicit property type |
| var b: String by m() |
| |
| fun takeString(v: String) {} |
| |
| fun main() { |
| takeString(a) |
| a = "a" |
| takeString(b) |
| b = "b" |
| } |