Re: default values of 'false' in data description

[Shmuel Zeigerman <shmuz@...>]

Thomas Blom wrote:
> If I want the parameter "loop" for a sound to default to true when 
> unspecified I thought I would write:
>
> shouldLoop = sounds[1].loop or true  -- (nil or true) => true
>
> but then it doesn't work for the second entry:
>
> shouldLoop = sounds[2].loop or true  -- (false or true) => true
>
> This was a bit of a surprise, since (nil or false) => false.
>
>
> What's the elegant idiom for this situation?

shouldLoop = sounds[i].loop == nil

--
Shmuel