Re: Nil and false in Lua design

[Thomas Jericke <tjericke@...>]

On 10/14/2013 07:44 AM, Carsten Fuchs wrote:
> Am 14.10.2013 09:22, schrieb Dirk Laurie:
>
> How about a metamethod __tobool ?
>
> Then everyone could define him- or herself if and how any Lua type 
> should evaluate to bool in a boolean expression.  :-)
>
> Best regards,
> Carsten
I think it could be a to high performance hit to have a metamethod 
lookup on each and every condition or logical expression of a program.

--
Thomas