Re: Dedicated error value/type for Lua?

[Asko Kauppi <asko.kauppi@...>]

is there really need for this?  give an example..?

20.12.2004 kello 19:29, Mark Hamburg kirjoitti:

 Has any thought been given to introducing a dedicated error value/type 
for
> Lua? nil also means not present in a table or no value for a variable. 
> false
> is a perfectly legitimate boolean value. The idea would be to have a 
> single
> value like nil and false that would be intended specifically for the 
> job of
> saying "an error occurred". One could also make this a type -- e.g.,
> recognizing error strings as a particular type -- but that probably 
> opens up
> more cases where one would want to do things like store the value in a
> table...
>
> Mark