From a24ae8e1d314e20a049f07179162f21378574b17 Mon Sep 17 00:00:00 2001
From: Martin Ashby <martin@ashbysoft.com>
Date: Sun, 25 Dec 2022 21:28:52 +0000
Subject: reorder tests in day25

---
 src/day25.rs | 41 ++++++++++++++++++++---------------------
 1 file changed, 20 insertions(+), 21 deletions(-)

diff --git a/src/day25.rs b/src/day25.rs
index 2d26028..af5f15e 100644
--- a/src/day25.rs
+++ b/src/day25.rs
@@ -16,6 +16,26 @@ fn from_snafu(s: &str) -> i64 {
     i
 }
 
+fn to_snafu(mut i: i64) -> String {
+    // how to do this :thinking: add two, mod 5,take away 2? // nope
+    let mut res = Vec::<char>::new();
+    while i != 0 {
+        let d = ((i + 2) % 5) - 2;
+        let ch = match d {
+            2 => '2',
+            1 => '1',
+            0 => '0',
+            -1 => '-',
+            -2 => '=',
+            _ => panic!("unexpected digit {}", d)
+        };
+        res.push(ch);
+        i = (i + 2) / 5;
+    }
+    res.reverse();
+    res.into_iter().collect::<String>()    
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -44,27 +64,6 @@ mod tests {
     }
 }
 
-fn to_snafu(mut i: i64) -> String {
-    // how to do this :thinking: add two, mod 5,take away 2? // nope
-    let mut res = Vec::<char>::new();
-    while i != 0 {
-        let d = ((i + 2) % 5) - 2;
-        let ch = match d {
-            2 => '2',
-            1 => '1',
-            0 => '0',
-            -1 => '-',
-            -2 => '=',
-            _ => panic!("unexpected digit {}", d)
-        };
-        res.push(ch);
-        i = (i + 2) / 5;
-    }
-    res.reverse();
-    res.into_iter().collect::<String>()
-    
-}
-
 pub fn run(input: String) {
     let s: i64 = input.lines()
         .map(from_snafu)
-- 
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