From: Trans <transfire@...>
Date: 2006-08-12T03:00:05+09:00
Subject: Re: nonce


Tom Jordan wrote:
> Instead of a singleton class how about using it to denote code that is executed
> only the first time it is processed.
>
> def learn_leason
>   nounce { touch :hand => :stove_top; puts 'Ouch' }
>   touch :hand => :cool_water; puts 'Ahhh'
> end
>
> loop { learn_leason }
>
> Output:
> Ouch
> Ahhh
> Ahhh
> Ahhh
> ...
>
> or even like this
>
> loop { nounce { index = 0 }
>   do_something_useful
>   index += 1
> }

How might that be implemented? (s/nounce/nonce/ btw)

T.