Prefer using the impl syntax

src/store/documents_fields.rs

@@ -63,9 +63,9 @@ impl DocumentsFields {
         Ok(count)
     }
 
-    pub fn document_field<'a, T: rkv::Readable>(
+    pub fn document_field<'a>(
         &self,
-        reader: &'a T,
+        reader: &'a impl rkv::Readable,
         document_id: DocumentId,
         attribute: SchemaAttr,
     ) -> Result<Option<&'a [u8]>, rkv::StoreError>

src/store/main.rs

@@ -26,9 +26,9 @@ impl Main {
         self.main.put(writer, WORDS_KEY, &blob)
     }
 
-    pub fn words_fst<T: rkv::Readable>(
+    pub fn words_fst(
         &self,
-        reader: &T,
+        reader: &impl rkv::Readable,
     ) -> MResult<Option<fst::Set>>
     {
         match self.main.get(reader, WORDS_KEY)? {
@@ -56,9 +56,9 @@ impl Main {
         Ok(())
     }
 
-    pub fn ranked_map<T: rkv::Readable>(
+    pub fn ranked_map(
         &self,
-        reader: &T,
+        reader: &impl rkv::Readable,
     ) -> MResult<Option<RankedMap>>
     {
         match self.main.get(reader, RANKED_MAP_KEY)? {
@@ -82,9 +82,9 @@ impl Main {
         Ok(new)
     }
 
-    pub fn number_of_documents<T: rkv::Readable>(
+    pub fn number_of_documents(
         &self,
-        reader: &T,
+        reader: &impl rkv::Readable,
     ) -> Result<u64, rkv::StoreError>
     {
         match self.main.get(reader, NUMBER_OF_DOCUMENTS_KEY)? {

src/store/postings_lists.rs

@@ -31,9 +31,9 @@ impl PostingsLists {
         self.postings_lists.delete(writer, word)
     }
 
-    pub fn postings_list<'a, T: rkv::Readable>(
+    pub fn postings_list<'a>(
         &self,
-        reader: &'a T,
+        reader: &'a impl rkv::Readable,
         word: &[u8],
     ) -> Result<Option<Cow<'a, sdset::Set<DocIndex>>>, rkv::StoreError>
     {

src/store/synonyms.rs

@@ -4,17 +4,17 @@ pub struct Synonyms {
 }
 
 impl Synonyms {
-    pub fn synonyms_fst<T: rkv::Readable>(
+    pub fn synonyms_fst(
         &self,
-        reader: &T,
+        reader: &impl rkv::Readable,
     ) -> Result<fst::Set, rkv::StoreError>
     {
         Ok(fst::Set::default())
     }
 
-    pub fn alternatives_to<T: rkv::Readable>(
+    pub fn alternatives_to(
         &self,
-        reader: &T,
+        reader: &impl rkv::Readable,
         word: &[u8],
     ) -> Result<Option<fst::Set>, rkv::StoreError>
     {

src/store/updates.rs

@@ -10,9 +10,9 @@ pub struct Updates {
 impl Updates {
     // TODO we should use the MDB_LAST op but
     //      it is not exposed by the rkv library
-    fn last_update_id<'a, T: rkv::Readable>(
+    fn last_update_id<'a>(
         &self,
-        reader: &'a T,
+        reader: &'a impl rkv::Readable,
     ) -> Result<Option<(u64, Option<Value<'a>>)>, rkv::StoreError>
     {
         let mut last = None;
@@ -33,9 +33,9 @@ impl Updates {
         Ok(Some((number, last_data)))
     }
 
-    pub fn contains<T: rkv::Readable>(
+    pub fn contains(
         &self,
-        reader: &T,
+        reader: &impl rkv::Readable,
         update_id: u64,
     ) -> Result<bool, rkv::StoreError>
     {

src/store/updates_results.rs

@@ -21,9 +21,9 @@ impl UpdatesResults {
         Ok(())
     }
 
-    pub fn update_result<T: rkv::Readable>(
+    pub fn update_result(
         &self,
-        reader: &T,
+        reader: &impl rkv::Readable,
         update_id: u64,
     ) -> MResult<Option<UpdateResult>>
     {