On 24 May 2013 21:55, Alaric Snell-Pym <alaric@snell-pym.org.uk> wrote:
> 1) What about printed representations? I feel there should be a written
> syntax for important data structures in Scheme, and that literals should
> self-evaluate. Needless to say, I don't think "Oh, just write out code
> that will construct one" is very useful, as that only solves the problem
> for literals in source code - not for being able to write and then read
> an sexpr to communicate data across a channel.
>

The problem with this is that e.g. a set is a collection of items
*and* also an equivalence predicate, which can be any arbitrary
procedure, and arbitrary procedures can not be written out.

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