From 5c27572f9f054d0c2abdf49eb9f97472f7837ba8 Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Sat, 8 Feb 2025 22:37:05 -0500
Subject: [PATCH] make diag generic

---
 src/misc.rs | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/misc.rs b/src/misc.rs
index 0a6b0ea..6573271 100644
--- a/src/misc.rs
+++ b/src/misc.rs
@@ -27,14 +27,12 @@ where
     output
 }
 
-pub fn diag(
-    i: usize,
-    j: usize,
-    min_i: usize,
-    min_j: usize,
-    max_i: usize,
-    max_j: usize,
-) -> Vec<Vec<(usize, usize)>> {
+pub fn diag<T>(i: T, j: T, min_i: T, min_j: T, max_i: T, max_j: T) -> Vec<Vec<(T, T)>>
+where
+    T: num::Integer + Copy,
+    RangeInclusive<T>: Iterator<Item = T> + DoubleEndedIterator,
+    Rev<RangeInclusive<T>>: Iterator<Item = T>,
+{
     let i_chains = split_from(min_i, max_i, i);
     let j_chains = split_from(min_j, max_j, j);