Re: Feature Suggestion: Make rawset() coerce "nothing" as its 3rd argument to nil, don't error

[Luiz Henrique de Figueiredo <lhf@...>]

>> Do you really want to write tostring() without arguments? What for?

> It is more as a failsafe for this kind of scenario:
> 
>     table.concat{stuff, tostring(foo()), ... }
> 
> where foo is dynamic and may return nothing.

In this case, if you know you have to protect yourself, use
	table.concat{stuff, tostring((foo())), ... }
	
Note the extra pair of parentheses around foo().