Karsten Schmidt writes:
> Sinc the prefix map is built iteratively as part of the parsing I was
> hoping to attach it as meta data to the returned lazy-seq, since I
> can't see any other way of returning this map apart from attaching to
> every single triple in the seq (which seems like overkill)
Okay, I just found a negative answer to this on SO:
http://stackoverflow.com/questions/1056061/adding-metadata-to-a-lazy-sequence
However, to give a bit more context for my concrete use case: I'm
building a Turtle (RDF) parser which emits a lazy seq of triples,
basically a seq of 3-element vectors