First chunk of battling is now fully working, along with integration tests! 🎉

src/utils/string_key.rs

@@ -1,4 +1,5 @@
 use hashbrown::HashMap;
+use std::fmt::{Display, Formatter};
 use std::hash::{Hash, Hasher};
 use std::lazy::SyncLazy;
 use std::sync::{Arc, Mutex, Weak};
@@ -86,6 +87,12 @@ impl From<&str> for StringKey {
     }
 }
 
+impl Display for StringKey {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.write_str(&*self.str)
+    }
+}
+
 const fn to_lower(c: u8) -> u8 {
     if c >= b'A' && c <= b'Z' {
         return c + (b'a' - b'A');