Re: "Secret" operators

On Wed, 2 Feb 2005 12:33:35 +1100 (EST)
Andrew Savige <[email protected]> wrote:

> Jos_ Castro wrote:
> > Apart from the "secret eskimo greeting" and the "goatse operator",
> > can anyone tell me about other "secret" operators?
> 
> Let's not forget the Ton Hospel "high-precedence decrement"
> operator ~- invented during a golf tournament (anyone remember
> which one?).
> 
> IIRC, Ton's ~- invention allows you to eliminate the parens in:
> 
>     $y = ($x-1)*4;
> 
> by using instead:
> 
>     $y = ~-$x*4;
> 
> saving a whopping two strokes. This trick should work on any
> twos complement machine -- and I'm not aware of any perl running
> on any non twos complement machine.

will not work if $x < 0

> 
> /-\
> 
> 
> Find local movie times and trailers on Yahoo! Movies.
> http://au.movies.yahoo.com
> 


-- 
Vladi Belperchinov-Shabanski <[email protected]> <[email protected]>
Personal home page at http://cade.datamax.bg/
DataMax SA   http://www.datamax.bg
there is still one truth on which we can depend
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