On Fri, Jul 6, 2012 at 1:55 AM, Jacobo Polavieja
<jacobopolavi...@gmail.com> wrote:
> I know this is going very offtopic, but why did you use "let" define
> "in-matrix?" instead of a defn?

def and defn are for top-level definitions. let is for local definitions.

Specifically def and defn create a Var in the current namespace bound
to the specified value (or function), whereas let creates a lexically
scoped name bound to the value (or function).

Does that help?
-- 
Sean A Corfield -- (904) 302-SEAN
An Architect's View -- http://corfield.org/
World Singles, LLC. -- http://worldsingles.com/

"Perfection is the enemy of the good."
-- Gustave Flaubert, French realist novelist (1821-1880)

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