Re: Again... Chars of Identifiers
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- Subject: Re: Again... Chars of Identifiers
- From: Diego Nehab <diego@...>
- Date: 2001年4月16日 17:48:48 -0300 (EST)
Hi,
> When ?!$@ are possible: why doesn't use Lua one of this chars for
> special identifiers instead of <underscore><uppercase>? I would like to
> use my own namespace*s* and this isn't easy because _... is the only
> possibility to start with a non-letter?
According to the documentation and source code, you can't use the
characters ?!$@ in identifiers.
There are probably sereval ways to implement different namespaces in
Lua. I think that the most natural way is to create a table and put all
protected symbols in it. Something like:
local namespace = {}
namespace.x = 2
print(namespace.x)
Regards,
Diego.