Thanks guys for the responses and explanations helps a lot 

Cheers
John

-----Original Message-----
From: bill lam [mailto:[email protected]] 
Sent: Monday, 29 June 2009 3:40 PM
To: [email protected]
Subject: Re: [Jprogramming] tacit example ?

On Mon, 29 Jun 2009, Saunders, John (Health) wrote:
> |.": y = ":y

another try. perhaps you meant

(|. ":y) -: ":y

let a be ":y  it become

(|. a) -: a

which can be fork on a

(|. -: ]) :"y

combining (|. -: ]) and :" using conjunction @

(|. -: ]) @ ":

or 

 (|. a) -: a 
can also be a hook (-:~ |.) a

but -: is symmetric so that it is the same as

(-: |.) ":y    which is    (-: |.)@": as noted by Ric.

(untested)

-- 
regards,
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