On 8 Mar 2010, at 19:22, Jonathan Shore wrote:
For the sake of understanding, I'm not yet clear on how one
*efficiently* binds multiple "pieces" of state together in
clojure. How would one create a simple matrix for example where I
want to bind dimension and a float-array into a tightly bound
structure. I can see that a assoc / map could be used (but has
undesireable overhead) or perhaps a closure with the array,
dimensions, and a returning function for access?
http://code.google.com/p/clj-multiarray/
This is work in progress, it's certainly not ready for production use.
But it does show how the problem can be attacked, using the new
deftype mechanism in the current development branch of Clojure.
In Clojure 1.0 and 1.1, I don't see a way to package data together
with fast access times. I guess that's why deftype is being added to
1.2.
Konrad.
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