From 9d217c6678ca7c135039c92a4aa1ef02f1855b59 Mon Sep 17 00:00:00 2001
From: Jay Robson <jsrobson10@gmail.com>
Date: Mon, 5 May 2025 13:55:56 +1000
Subject: [PATCH] added rotate function to even out bias from party =>
 candidate list

---
 src/ballot.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ballot.rs b/src/ballot.rs
index 4959cbe..dd20eda 100644
--- a/src/ballot.rs
+++ b/src/ballot.rs
@@ -1,5 +1,4 @@
 use itertools::Itertools;
-
 use crate::header::Header;
 
 #[derive(Copy,Clone,Debug,PartialEq)]
@@ -72,7 +71,10 @@ impl Ballot {
 				let mut votes = Vec::<usize>::new();
 				
 				for party_id in self.votes {
+					let start = votes.len();
 					votes.extend(header.parties[party_id].member_ids.iter().copied());
+					let votes_end = &mut votes[start..];
+					votes_end.rotate_left(self.paper_id % votes_end.len());
 				}
 
 				Ballot {