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- Subject: Re: tribool
- From: Alexander Gladysh <agladysh@...>
- Date: Wed, 17 Nov 2010 07:51:14 +0300
On Wed, Nov 17, 2010 at 07:42, HyperHacker <hyperhacker@gmail.com> wrote:
> On Tue, Nov 16, 2010 at 21:38, Alexander Gladysh <agladysh@gmail.com> wrote:
>> Anyone have a module to work with 3-state boolean logic (true, false,
>> indeterminate) in Lua?
>> Otherwise: any suggestions on module design?
> I've been known to do "if x == false then foo() end"-type constructs
> to handle false and nil differently. Is that the kind of thing you're
> looking for?
I'm looking for the Lua equivalent for this:
http://www.boost.org/doc/libs/1_44_0/doc/html/tribool.html
(Not sure if using "nil" as indeterminate value is a good thing --
perhaps it is.)
Alexander.
