Symbols as parameters?

Alf P. Steinbach alfps at start.no
Thu Jan 21 19:48:02 CET 2010


* Diez B. Roggisch:
> Am 21.01.10 12:58, schrieb Alf P. Steinbach:
>> * Stefan Behnel:
>>> Alf P. Steinbach, 21.01.2010 11:38:
>>>> * Carl Banks:
>>>>> On Jan 20, 11:43 pm, Martin Drautzburg <Martin.Drautzb... at web.de>
>>>> [snip]
>>>>>> What I am really looking for is a way
>>>>>>
>>>>>> - to be able to call move(up)
>>>>>> - having the "up" symbol only in the context of the function
>>>>>> call
>>>>> Short answer is, you can't do it.
>>>>>
>>>> On the contrary, it's not difficult to do.
>>>>
>>>> I provided an example in my answer to the OP (first reply in the
>>>> thread).
>>>
>>> Erm, no, you didn't. You showed a) how to pass a string constant into a
>>> function and b) how to pass a value from a bound variable. None of
>>> that is
>>> helpful to the OP's problem.
>>
>> Perhaps look again at that example. It demonstrates exactly what the OP
>> asks for.
> 
> Perhaps look again at the requirements:
> 
> """
>   - the parameter IS REALLY NOT A STRING, but a direction
> """

So?


Cheers & hth.,

- Alf



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