Weird. I'm utterly at a loss as to how you got this interpretation for the := operator from Exegesis 3 or from Apocalypse 3

I dont think this new operator has anything to do with lazy evaluation. My reading of these docs is that it is fairly straightforward aliasing going on.

Consider Exegesis clearly states that

(@x,@y):=(@y,@x);
[download]

is an efficient way to swap the contents of the two arrays. It would do this by simply aliasing the variable name @x with the array that the variable name @y refers to, and vice versa.

tilly suggested that Re: Re (tilly) 1: Apocalypse 3 may be useful in understanding our different views :-)

Yves
--
You are not ready to use symrefs unless you already know why they are bad. -- tadmc (CLPM)