Add requireNull() utility method.

This commit is contained in:
akwizgran
2019-05-22 17:42:18 +01:00
parent 5d2252ebda
commit ce9c7cb32a

View File

@@ -22,4 +22,11 @@ public class NullSafety {
@Nullable Object b) {
if ((a == null) == (b == null)) throw new AssertionError();
}
/**
* Checks that the argument is null.
*/
public static void requireNull(@Nullable Object o) {
if (o != null) throw new AssertionError();
}
}