[REBOL] Re: Rebol interpreter bug with comparison of dates
From: carl:cybercraft at: 4-Dec-2002 15:23
On 04-Dec-02, Jan Skibinski wrote:
> Hi Andrew,
> The problem seems to be much broader:
>>> 2 < 'foo
> ** Script Error: Expected one of: integer! - not: word!
> But at least in this case the error message makes some sense.
> Personally, I don't mind such a behaviour, which disallows
> comparison of apples to oranges. But I think the definition
> of (<) is too broad: it should be more specific - narrowed
> down to the orderable things, such as numbers, dates,
> but not points, etc. However, since the arguments of this
> operator are untyped, the "help <" suggests that one can
> compare anything to anything - and hence those unpleasent
> runtime surprises.
> Jan
Going by previous comments, I think the comparing of different types
is allowed so routines for soting them will work. ie...
>> sort [2 foo]
== [foo 2]
>> sort [foo 2]
== [foo 2]
--
Carl Read
