Method isSAMType

src/main/java/org/codehaus/groovy/ast/ClassHelper.java:622–624

(final ClassNode type)

    }

    public static boolean isSAMType(final ClassNode type) {
        return findSAM(type) != null;
    }

    public static boolean isFunctionalInterface(final ClassNode type) {
        // Functional interface must be an interface at first, or the following exception will occur: