Method wrap

src/main/java/field/utility/Util.java:66–83

(Function<T, R> a, Errors error, R def, Class convertReturn)

	}

	public static <T, R> Function<T, R> wrap(Function<T, R> a, Errors error, R def, Class convertReturn) {
		return x -> {
			try {
				Object q = a.apply(x);

				if (convertReturn != null) q = Conversions.convert(q, convertReturn);


//				if (q instanceof Undefined) return null;

				return (R) q;
			} catch (Throwable t) {
				t.printStackTrace();
				error.add(t, a);
				return def;
			}
		};
	}

	public static <T> Consumer<T> wrap(Consumer<T> a, Errors error) {
		return x -> {