On Thu, Jul 18, 2019 at 11:52:24AM -0400, James Platt wrote:
> 
> Also related to the background of the users is, for example, the 
> family of functions including car, cdr, caar, cddadr, etc..  I 
> puzzled over the question of why these functions even exist for quite 
> a while.  I had never heard of this way of doing things before.  As I 
> understand it, these functions are basically around for historical 
> reasons.  There is no compelling need for me to learn them for the 
> purpose of writing my own code and so I haven't been using them.  
> It's only a matter for understanding other people's code.  During 
> Racket Week and Racketcon, when I saw these functions being used, I 
> understood to the point of realizing that the point was to pull a 
> value out of whatever they were used on.  I couldn't tell you which 
> value.  

I still use the car/cdr congomerations.  They are quite useful when 
parsing a list.

-- hendrik

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