Method filter

src/org/antlr/codebuff/misc/BuffUtils.java:34–42

(List<T> data, Predicate<T> pred)

	}

	public static <T> List<T> filter(List<T> data, Predicate<T> pred) {
		List<T> output = new ArrayList<>();
		if ( data!=null ) for (T x : data) {
			if ( pred.test(x) ) {
				output.add(x);
			}
		}
		return output;
	}

	public static <T> List<T> filter(Collection<T> data, Predicate<T> pred) {
		List<T> output = new ArrayList<>();