private Object readBuiltinTag(String tagName, Object obj, boolean last) {
        if ("notLast".equals(tagName)) {
            if (last) {
                return emptyList();
            } else {
                return singletonList(obj);
            }
        }

        return null;
    }
A single class templating library for doing runtime code-gen.

Not Threadsafe.
jctools-channels/src/main/java/org/jctools/util/Template.java