Fix clippy lints

Author: syvb

pgvectorscale/src/access_method/build.rs

@@ -231,7 +231,7 @@ fn get_meta_page(
     }
 
     let meta_page =
-        unsafe { MetaPage::create(&index_relation, dimensions as _, distance_type, opt) };
+        unsafe { MetaPage::create(index_relation, dimensions as _, distance_type, opt) };
 
     if meta_page.get_num_dimensions_to_index() == 0 {
         error!("No dimensions to index");

pgvectorscale/src/access_method/labels/mod.rs

@@ -141,7 +141,7 @@ pub trait LabelSetView {
         false
     }
 
-    fn iter(&self) -> std::slice::Iter<Label> {
+    fn iter(&self) -> std::slice::Iter<'_, Label> {
         self.labels().iter()
     }
 }

pgvectorscale/src/util/mod.rs

@@ -146,12 +146,12 @@ impl ItemPointer {
         pgrx::itemptr::item_pointer_set_all(ctid, self.block_number, self.offset)
     }
 
-    pub unsafe fn read_bytes(self, index: &PgRelation) -> ReadableBuffer {
+    pub unsafe fn read_bytes(self, index: &PgRelation) -> ReadableBuffer<'_> {
         let page = ReadablePage::read(index, self.block_number);
         page.get_item_unchecked(self.offset)
     }
 
-    pub unsafe fn modify_bytes(self, index: &PgRelation) -> WritableBuffer {
+    pub unsafe fn modify_bytes(self, index: &PgRelation) -> WritableBuffer<'_> {
         let page = WritablePage::modify(index, self.block_number);
         let item_id = PageGetItemId(*page, self.offset);
         let item = PageGetItem(*page, item_id) as *mut u8;

pgvectorscale/src/util/page.rs

@@ -184,7 +184,7 @@ impl<'a> WritablePage<'a> {
         }
     }
 
-    pub fn get_buffer(&self) -> &LockedBufferExclusive {
+    pub fn get_buffer(&self) -> &LockedBufferExclusive<'_> {
         &self.buffer
     }
 
@@ -269,7 +269,7 @@ impl<'a> ReadablePage<'a> {
         PageType::from_u8(opaque_data.page_type)
     }
 
-    pub fn get_buffer(&self) -> &LockedBufferShare {
+    pub fn get_buffer(&self) -> &LockedBufferShare<'_> {
         &self.buffer
     }