Hello!

Suppose:

pool = [1.2, 2.434, 1.132, 1.1334]
foo = 0.0
pool.each do |x|
    foo = x     # foo changes value and actual address in mem
end

Can I give foo the value *only* of x but not change its
actual address in memory?

Regards,
-- 
University of Athens			I bet the human brain 
Physics Department				is a kludge --Marvin Minsky