[plt-scheme] generic programming in plt scheme

From: Skeptic . (skeptic2000 at hotmail.com)
Date: Sun Apr 25 02:05:45 EDT 2010

What would be the idiomatic way of defining a generic length procedure over, let's say lists, vectors, strings and user-defined streams, in PLT Scheme ?

Emmenez vos contacts faire un tour. 
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