no more cloning

src/main.rs

@@ -4,20 +4,20 @@ use serde::{Deserialize, Serialize};
 use serde_json::Result;
 use std::fs;
 
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize)]
 struct CAHCardWhite {
     text: String,
     pack: u8,
 }
 
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize)]
 struct CAHCardBlack {
     text: String,
     pick: u8,
     pack: u8,
 }
 
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize)]
 struct CAHCardSet {
     name: String,
     description: Option<String>,