How lazy is DData.Seq?

[ajb at spamcop.net]

G'day all.

Quoting Robert Will <robertw at stud.tu-ilmenau.de>:

> That argument can be generalised:
> IF you don't need some operations which are overly inefficient in
> implementation X
> THEN any advantage of X will suffice to make it your preference over an
> implementation without any overly inefficient operations.

Or more succinctly:

The best implementation is the one that matches the characteristics
of your application/data the closest.

Of course, it's usually not obvious what those characteristics are
in advance.

Cheers,
Andrew Bromage