Github user mxm commented on a diff in the pull request: https://github.com/apache/flink/pull/530#discussion_r27104700 --- Diff: flink-java/src/main/java/org/apache/flink/api/java/typeutils/TypeExtractor.java --- @@ -1425,11 +1425,9 @@ public static boolean isClassType(Type t) { } private static boolean sameTypeVars(Type t1, Type t2) { - if (!(t1 instanceof TypeVariable) || !(t2 instanceof TypeVariable)) { - return false; - } - return ((TypeVariable<?>) t1).getName().equals(((TypeVariable<?>)t2).getName()) - && ((TypeVariable<?>) t1).getGenericDeclaration().equals(((TypeVariable<?>)t2).getGenericDeclaration()); + return !(!(t1 instanceof TypeVariable) || !(t2 instanceof TypeVariable)) && + ((TypeVariable<?>) t1).getName().equals(((TypeVariable<?>) t2).getName()) && + ((TypeVariable<?>) t1).getGenericDeclaration().equals(((TypeVariable<?>) t2).getGenericDeclaration()); --- End diff -- Not sure if this change improves the readability of the code.
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