🚀 go-pugleaf

John E. Howland wrote:
> 
> Scott Hawley (shawley@connix.com) wrote:
> > What to you think? Loops without using loops?

In J the concept of "each" does away with loops alltogether.

You place all the items you want to operate on in arrays. 
Character arrays, numerical arrays or boxed arrays.

You then apply all kinds of operations on these arrays.

With "each" you do not have to specify or test for beginnings
or ends of anything. 

As for the developer there is no need to think about how this
is actually performed in the machine.

In the past this was a burden for the machine because developers could
write code so fast that the machines had a difficult time executing
all that was given to them.

It is only recvently that the machines have become fast enough to 
take the likes of J that lets developers write in a few statements
things that used to make the machine operate on for a long time.

J does not care how many elements an array has when you write

a plus b

if you as a developer have defined 

plus=.+
a=.2
b=.3

with a and b as scalars or 

a=. 1234 23$i.111111

J still allows you to write 

a plus b

No loops need to be defined. 

-- 
/Gosi
bjornhp@simi.is Bjorn Helgason Spitalastig 4 101 Reykjavik Iceland 354 
562 5441
http://www.jsoftware.com