From: Robert Klemme <bob.news@...>
Date: 2004-01-28T18:44:57+09:00
Subject: Re: packing booleans


"Joel VanderWerf" <vjoel@PATH.Berkeley.EDU> schrieb im Newsbeitrag
news:40177103.2040003@path.berkeley.edu...
>
> Does anyone else think it would be nice to be able to pack/unpack
> booleans? Maybe like this...
>
> [[true, false, true]].pack("y3")   # ==> "\005"
>
> I just chose 'y' because it's not used (as are [jokrt]), and it suggests
> "yes", a boolean answer.

irb(main):015:0> a=[true, false,true]
=> [true, false, true]
irb(main):016:0> [a.inject(0){|acc,x| acc<<=1; acc|(x ?1:0)}].pack "I"
=> "\005\000\000\000"

Not exactly what you were asking for though - and it doesn't work with
Bignums...

    robert