review changes

milli/src/search/query_tree.rs

@@ -193,14 +193,13 @@ impl<'a> QueryTreeBuilder<'a> {
     /// Create a `QueryTreeBuilder` from a heed ReadOnly transaction `rtxn`
     /// and an Index `index`.
     pub fn new(rtxn: &'a heed::RoTxn<'a>, index: &'a Index) -> Result<Self> {
-        let exact_words = index.exact_words(rtxn)?;
         Ok(Self {
             rtxn,
             index,
             optional_words: true,
             authorize_typos: true,
             words_limit: None,
-            exact_words,
+            exact_words: index.exact_words(rtxn)?,
         })
     }
 
@@ -292,7 +291,7 @@ pub struct TypoConfig<'a> {
 /// Return the `QueryKind` of a word depending on `authorize_typos`
 /// and the provided word length.
 fn typos<'a>(word: String, authorize_typos: bool, config: TypoConfig<'a>) -> QueryKind {
-    if authorize_typos && !config.exact_words.as_ref().map(|s| s.contains(&word)).unwrap_or(false) {
+    if authorize_typos && !config.exact_words.map_or(false, |s| s.contains(&word)) {
         let count = word.chars().count().min(u8::MAX as usize) as u8;
         if count < config.word_len_one_typo {
             QueryKind::exact(word)