[R6RS] mutability of pairs

[Michael Sperber]

William D Clinger <will at ccs.neu.edu> writes:

> Kent asked:
>> Should we also say we're considering requiring that cons's
>> second argument be a list?
>
> It's okay with me to say we're considering it, but it's
> orthogonal to mutability.  There's something to be said
> for having an 8-byte representation that associates x
> with y.  There is also something to be said for having
> list operations that know their argument is a list.

I agree.

-- 
Cheers =8-} Mike
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