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openide/java/java-tests/testData/inspection/dataFlow/fixture/ModifyListInLambda.java
Tagir Valeev 49cd49dfa3 [java-dfa] Revise mutability: MUST_NOT_MODIFY
New level 'MUST_NOT_MODIFY' is introduced for parameters inside pure methods to signal that we should not modify these values, but we don't actually know whether they mutable or not (fixes IDEA-257286). Also, MUST_NOT_MODIFY is dropped inside nested closures, so we don't warn if parameter is modified there.

GitOrigin-RevId: f095e72be772eef8324ef2246fb0b7262beae20d
2021-02-01 08:25:58 +00:00

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202 B
Java

import java.util.List;
import org.jetbrains.annotations.*;
public class ModifyListInLambda {
@Contract(pure = true)
Runnable getRunnable(List<String> list) {
return () -> list.add("foo");
}
}