Method asMap_set

src/main/java/field/graphics/FLine.java:1610–1657

(String name, Object value)

//		if (value instanceof ConsString) value = value.toString(); //jdk9 module security breaks this
		if (value != null && value.getClass().getName().endsWith("ConsString")) value = "" + value;

		Dict.Prop canon = new Dict.Prop(name).toCanon();

		if (canon.getAttributes().isTrue(Dict.readOnly, false))
			throw new IllegalArgumentException("can't write to property " + name);

		if (value instanceof ThreadSync2.TrappedSet) {
			Object firstValue = ((ThreadSync2.TrappedSet) value).next();

			Object r = asMap_set(name, firstValue);

			new Drivers().provokeCurrentFibre(System.identityHashCode(this) + "_" + name, new Function1<Object, Object>() {

				Object was = null;

				@Override
				public Object invoke(Object o) {
					if (o != null && !safeEq(was, o)) {
						was = o;
						modify();
						asMap_set(name, o);
					}
					return o;
				}
			}, ((ThreadSync2.TrappedSet) value));

			return r;
		}

		Function<Object, Object> c = canon.getAttributes().get(Dict.customCaster);
		if (c != null)
			value = c.apply(value);
		Object converted = convert(value, canon.getTypeInformation());

		attributes.put(canon, converted);


		modify();

		return this;
	}

	@Override
	@HiddenInAutocomplete
	public boolean asMap_delete(Object o) {
		modify();
		return attributes.asMap_delete(o);
	}

	@HiddenInAutocomplete
	public Object convert(Object value, List<Class> fit) {