RE: Lua 5.1w crash bug -- '...' related
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- Subject: RE: Lua 5.1w crash bug -- '...' related
- From: "Bilyk, Alex" <ABilyk@...>
- Date: Fri, 3 Sep 2004 13:40:30 -0700
Is this wishing to much as to being able to say something to the tune of
function f(...)
for k in (...) do
print ((...)[k])
end
end
I thought I'd ask as it seems to make sense to treat ... with more utility:)
>-----Original Message-----
>From: Roberto Ierusalimschy [mailto:roberto@inf.puc-rio.br]
>Sent: Friday, September 03, 2004 11:06 AM
>To: Lua list
>Subject: Re: Lua 5.1w crash bug -- '...' related
>
>
>> BTW: I had hoped that:
>>
>> function foo(...) print(unpack(arg), '\n') end
>> function foo(...) print(..., '\n') end
>>
>> Would behave differently, with the former printing only the
>first arg,
>> and the latter printing all arguments as if the arguments had
>> literally been expanded inline. That's not how it works, huh?
>
>No. The `...' is equivalent to a function that returns multiple
>arguments. `...' and unpack(arg) are completely interchangeable.
>
>-- Roberto
>
>