Minor performance tweaks

src/utils/string_key.rs

@@ -14,7 +14,6 @@ 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)]
-
 pub struct StringKey {
     /// The underlying reference counted string.
     str: ArcStr,
@@ -29,12 +28,14 @@ static STRING_CACHE: LazyLock<RwLock<HashMap<u32, ArcStr>>> = LazyLock::new(|| R
 static EMPTY: LazyLock<StringKey> = LazyLock::new(|| StringKey::new(""));
 
 impl StringKey {
+    #[inline(always)]
     /// Gets the hash of a string.
     pub const fn get_hash(s: &str) -> u32 {
         let mut crc: u32 = 0xffffffff;
         let mut i: usize = 0;
+        let bytes = s.as_bytes();
         while i < s.len() {
-            crc = (crc >> 8) ^ CRC_TABLE[((crc ^ (to_lower(s.as_bytes()[i]) as u32)) & 0xff) as usize];
+            crc = (crc >> 8) ^ CRC_TABLE[((crc ^ (to_lower(bytes[i]) as u32)) & 0xff) as usize];
             i += 1;
         }
         crc ^ 0xffffffff
@@ -132,6 +133,7 @@ impl ValueIdentifiable for StringKey {
 /// The difference in ascii characters to translate from uppercase to lowercase.
 const CAPITAL_DIFF: u8 = b'a' - b'A';
 
+#[inline(always)]
 /// Converts a character to lowercased in a const safe way.
 const fn to_lower(c: u8) -> u8 {
     if c >= b'A' && c <= b'Z' {