What is Expressiveness in a Computer Language

[Pascal Bourguignon]

Joachim Durchholz <jo at durchholz.org> writes:
> Raffael Cavallaro schrieb:
>> a program which would be perfectly permissible in a dynamically
>> typed language such as common lisp - for example - heterogeneous
>> lists and forward references to as yet non-existent functions.
>
> Um... heterogenous lists are not necessarily a sign of
> expressiveness. The vast majority of cases can be transformed to
> homogenous lists (though these might then contain closures or OO
> objects).

In lisp, all lists are homogenous: lists of T.


-- 
__Pascal Bourguignon__                     http://www.informatimago.com/

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