Re: bug: min on strings

Ah, I thought I had tried min of only strings.

I looked at the code and min is actually more general
than the documentation indicates. It gives you the
min of any set of objects that can (pair-wise) be
compared:

? (setq d1 (now))
= ::DATE:year-second:(2007-10-25 08:27:27)
? (setq d2 (now))
= ::DATE:year-second:(2007-10-25 08:27:32)
?
? (min d1 d2)
= ::DATE:year-second:(2007-10-25 08:27:27)
?

Ralf



On Wed, 24 Oct 2007, Yann LeCun wrote:

> Well, perhaps it's a misinterpretation on your part caused by an
> ambiguity in the documentation: The arguments have to be all numbers or
> all strings. i.e., min can compare numbers to numbers and strings to
> strings, but not numbers to strings, hence:
>
> ? (min "asd" "qwe")
> = "asd"
>
>  -- Yann
>
> On Wednesday 24 October 2007, Ralf Juengling wrote:
>> another documentation bug, I guess:
>>
>>
>> (min <l1> ... <ln>)                           [DX]
>> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
>>
>> Return the minimum element within l1 ... ln . Arguments li may be
>> numbers or strings.
>>
>> Example:
>> ? (min 2 3 (* 3 3) (+ 4 3))
>> = 2
>>
>>
>> = ()
>>
>>
>> ? (min 2 3 "4")
>>
>> *** min : Cannot rank these objects
>>
>>
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