Tripartite Palindromic Partition of Integer (HP 50g) Challenge

[John Keith]

(02-21-2023 07:45 AM)2old2randr Wrote:  ... but one thing puzzled me when looking at the code - what does ‘::’ do in user RPL?


Sudhir

That's called a "null tag". It's another way of delaying execution of an object, with the advantage that it takes less memory than a program. I first learned about it from Joe Horn here. It is undocumented and some consider it to be questionable programming practice so use at your own risk.