Method makeCallable

src/main/java/fieldbox/boxes/Box.java:1013–1016

(BiFunction<TemplateMap<T>, Object, Object> calling)

		public Object asMap_setElement(int element, Object o) {
			return null;
		}

		public TemplateMap<T> makeCallable(BiFunction<TemplateMap<T>, Object, Object> calling) {
			this.calling = calling;
			return this;
		}
	}