Fix clippy::ptr_arg

Author: Kinrany

chalk-integration/src/lowering.rs

@@ -42,7 +42,11 @@ impl Lower for Program {
 
         // Make a vector mapping each thing in `items` to an id,
         // based just on its position:
-        let raw_ids = self.items.iter().map(|_| lowerer.next_item_id()).collect();
+        let raw_ids = self
+            .items
+            .iter()
+            .map(|_| lowerer.next_item_id())
+            .collect::<Vec<_>>();
 
         lowerer.extract_associated_types(self, &raw_ids)?;
         lowerer.extract_ids(self, &raw_ids)?;

chalk-integration/src/lowering/program_lowerer.rs

@@ -53,7 +53,7 @@ impl ProgramLowerer {
     pub fn extract_associated_types(
         &mut self,
         program: &Program,
-        raw_ids: &Vec<RawId>,
+        raw_ids: &[RawId],
     ) -> LowerResult<()> {
         for (item, &raw_id) in program.items.iter().zip(raw_ids) {
             match item {
@@ -86,7 +86,7 @@ impl ProgramLowerer {
         Ok(())
     }
 
-    pub fn extract_ids(&mut self, program: &Program, raw_ids: &Vec<RawId>) -> LowerResult<()> {
+    pub fn extract_ids(&mut self, program: &Program, raw_ids: &[RawId]) -> LowerResult<()> {
         for (item, &raw_id) in program.items.iter().zip(raw_ids) {
             match item {
                 Item::AdtDefn(defn) => {
@@ -140,7 +140,7 @@ impl ProgramLowerer {
         Ok(())
     }
 
-    pub fn lower(self, program: &Program, raw_ids: &Vec<RawId>) -> LowerResult<LoweredProgram> {
+    pub fn lower(self, program: &Program, raw_ids: &[RawId]) -> LowerResult<LoweredProgram> {
         let mut adt_data = BTreeMap::new();
         let mut adt_reprs = BTreeMap::new();
         let mut adt_variances = BTreeMap::new();