helper: little module for helper functions

src/helper.rs

@@ -0,0 +1,5 @@
+use std::cmp::{max, min};
+
+pub fn ordered<T: Ord + Copy>(x: T, y: T) -> (T, T) {
+    (min(x, y), max(x, y))
+}

src/main.rs

@@ -1,4 +1,5 @@
 mod card;
+mod helper;
 mod modes;
 
 fn main() {