Re: Argument checking in Lua?

[Chris Marrin <chris@...>]

Doug Rogers wrote:
> Chris Marrin wrote:
>
>
> > It would be easy to write such things, of course, by doing type(),
> > checking against nil and throwing errors. But is there any "standard"
> > way to do this? I have not been able to find anything...
>
>
> I don't know of a standard way. Below is the way that I do it for a
> couple of my projects (5.0). Note that I register my own types and use
> Object.type() rather than the built-in type(). But the system below
> doesn't require the registration of types - just change 'typefunc or
> Object.type' to 'typefunc or type'. I usually use Object.types3()
> because it results in shorter argument lists.
> ...

Wow, that seems like a lot of work. Has anyone done a library to make 
any of this simpler?

--
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