Dmitry Petrov
5d9ee7efee
- base class method wins against a (default) interface method, so an abstract base class method should always be implemented in a derived class; - interface methods clash regardless of abstract/default with possibly undefined behavior at run-time, so a class or interface should always define its own method for methods inherited from multiple interfaces and not from base class; - meaningful diagnostics for class inheriting conflicting JVM signatures. Since no override will happen under Java 8 rules, ACCIDENTAL_OVERRIDE is misleading for this case; - update testData.
13 lines
261 B
Kotlin
Vendored
13 lines
261 B
Kotlin
Vendored
// KT-302 Report an error when inheriting many implementations of the same member
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package kt302
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interface A {
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open fun foo() {}
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}
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interface B {
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open fun foo() {}
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}
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<!MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED!>class C<!> : A, B {} //should be error here |