Re: Growing a data type?

On Oct 31, 12:08 pm, Ali <emailalicl...@xxxxxxxxx> wrote:
Hi,

Just watched Guy Steele's Growing a Language (http://video.google.com/
videoplay?docid=-8860158196198824415), very impressive.

Lisp got plus points for being able to abstract both abstract syntax
and function calls.

Here's a (hopefully) fun question: If Lisp didn't have a string data
type already, could you grow one which was indistinguishable from the
standard implementation, including double quote delimiters?

I don't expect this to be answered because I don't think I know any
language which can do this, but it would be nice to see how much of
string could be implemented in Lisp.
string is vector with character as element-type so sure you can have
string class
also you can set reader to dispatch on " so you can have literal
strings
http://www.lispworks.com/documentation/HyperSpec/Body/02_add.htm

btw. in almost any language (known to me) string is specialized vector
(hmm, not in perl) ... but i dont know how you can solve literal
strings problem without messing with implementation
.

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