[racket] general facility for annotating procedures

Eric Tanter wrote at 04/21/2011 04:55 PM:
> Something along the lines of:
> (lambda #:prop key val (x) x)
> and then have `procedure-properties' as means to retrieve the different properties for introspection.
>   

One thing that might serve your needs is to define a struct that can be 
applied like procedure.  Search for "prop:procedure".

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