Loads of cleanup

src/utils/string_key.rs

@@ -1,3 +1,4 @@
+use crate::{ValueIdentifiable, ValueIdentifier};
 use arcstr::ArcStr;
 use hashbrown::HashMap;
 use parking_lot::RwLock;
@@ -13,7 +14,7 @@ use std::sync::LazyLock;
 /// free speed out of it. Note that StringKeys also compare case insensitive, so that for example
 /// `charmander` == `Charmander`.
 #[derive(Clone, Debug)]
-#[cfg_attr(feature = "wasm", derive(unique_type_id_derive::UniqueTypeId))]
+
 pub struct StringKey {
     /// The underlying reference counted string.
     str: ArcStr,
@@ -122,6 +123,12 @@ impl From<&CStr> for StringKey {
     }
 }
 
+impl ValueIdentifiable for StringKey {
+    fn value_identifier(&self) -> ValueIdentifier {
+        ValueIdentifier::new(self.hash as usize)
+    }
+}
+
 /// Converts a character to lowercased in a const safe way.
 const fn to_lower(c: u8) -> u8 {
     if c >= b'A' && c <= b'Z' {