Method isTrue

src/main/java/field/utility/Dict.java:552–561

(Prop<?> prop, boolean def)

	}

	public boolean isTrue(Prop<?> prop, boolean def) {
		if (!dictionary.containsKey(prop)) return def;

		Object p = dictionary.get(prop);
		if (p == null) return def;
		if (p instanceof Boolean) return ((Boolean) p);
		if (p instanceof Number) return ((Number) p).intValue() > 0;
		if (p instanceof String) return ((String) p).length() > 0;
		return true;
	}


	public <T> Dict put(Prop<T> key, T value) {