@Override
        public double applyAsDouble(T object) {
            return inner.applyAsDouble(object);
        }
Internal class used when calling {@code ToDoubleNullable.doubleOrElse(double)}.

@param <T>  the input entity type
runtime-parent/runtime-compute/src/main/java/com/speedment/runtime/compute/internal/expression/OrElseThrowUtil.java