Method preserveTag

src/jvm/clojure/lang/Compiler.java:7528–7535

(ISeq src, Object dst)

}

public static Object preserveTag(ISeq src, Object dst) {
	Symbol tag = tagOf(src);
	if (tag != null && dst instanceof IObj) {
		IPersistentMap meta = RT.meta(dst);
		return ((IObj) dst).withMeta((IPersistentMap) RT.assoc(meta, RT.TAG_KEY, tag));
	}
	return dst;
}

private static volatile Var MACRO_CHECK = null;
private static volatile boolean MACRO_CHECK_LOADING = false;