[REBOL] Re: How to check function arguments ?
From: rotenca:telvia:it at: 9-Jun-2002 21:50
Hi Gabriele,
> JC> REBOL makes one work harder for the defaults. Perhaps you already know
some more
> JC> cool idioms ;-)
>
> f: func [/opt optional-arg] [
> optional-arg: any [optional-arg "default value"]
print optional-arg
> ]
But remember:
>> f/opt none
default value
>> f/opt false
default value
A more direct approach:
f: func [/opt optional-arg] [
optional-arg: either opt [optional-arg]["default value"]
print optional-arg
]
---
Ciao
Romano
