Fix clippy lints

Author: DropDemBits

crates/ide-assists/src/handlers/extract_function.rs

@@ -187,7 +187,7 @@ pub(crate) fn extract_function(acc: &mut Assists, ctx: &AssistContext<'_>) -> Op
                     impl_.syntax().clone()
                 }
                 _ => {
-                    fn_def.indent(new_indent.into());
+                    fn_def.indent(new_indent);
 
                     fn_def.syntax().clone()
                 }
@@ -1416,17 +1416,13 @@ fn make_call(ctx: &AssistContext<'_>, fun: &Function, indent: IndentLevel) -> Sy
         [var] => {
             let name = var.local.name(ctx.db());
             let name = make::name(&name.display(ctx.db()).to_string());
-            Some(ast::Pat::IdentPat(make::ident_pat(
-                false,
-                var.mut_usage_outside_body,
-                name.into(),
-            )))
+            Some(ast::Pat::IdentPat(make::ident_pat(false, var.mut_usage_outside_body, name)))
         }
         vars => {
             let binding_pats = vars.iter().map(|var| {
                 let name = var.local.name(ctx.db());
                 let name = make::name(&name.display(ctx.db()).to_string());
-                make::ident_pat(false, var.mut_usage_outside_body, name.into()).into()
+                make::ident_pat(false, var.mut_usage_outside_body, name).into()
             });
             Some(ast::Pat::TuplePat(make::tuple_pat(binding_pats)))
         }
@@ -1874,7 +1870,7 @@ fn make_body(ctx: &AssistContext<'_>, old_indent: IndentLevel, fun: &Function) -
         }
     };
 
-    let block = match &handler {
+    match &handler {
         FlowHandler::None => block,
         FlowHandler::Try { kind } => {
             let block = with_default_tail_expr(block, make::expr_unit());
@@ -1909,9 +1905,7 @@ fn make_body(ctx: &AssistContext<'_>, old_indent: IndentLevel, fun: &Function) -
             let args = make::arg_list(iter::once(tail_expr));
             make::expr_call(ok, args)
         }),
-    };
-
-    block
+    }
 }
 
 fn map_tail_expr(block: ast::BlockExpr, f: impl FnOnce(ast::Expr) -> ast::Expr) -> ast::BlockExpr {

crates/ide-assists/src/handlers/generate_getter_or_setter.rs

@@ -272,17 +272,15 @@ fn generate_setter_from_info(info: &AssistInfo, record_field_info: &RecordFieldI
 
     // Make the param list
     // `(&mut self, $field_name: $field_ty)`
-    let field_param = make::param(
-        make::ident_pat(false, false, make::name(&field_name)).into(),
-        field_ty.clone(),
-    );
+    let field_param =
+        make::param(make::ident_pat(false, false, make::name(field_name)).into(), field_ty.clone());
     let params = make::param_list(Some(make::mut_self_param()), [field_param]);
 
     // Make the assignment body
     // `self.$field_name = $field_name`
     let self_expr = make::ext::expr_self();
-    let lhs = make::expr_field(self_expr, &field_name);
-    let rhs = make::expr_path(make::ext::ident_path(&field_name));
+    let lhs = make::expr_field(self_expr, field_name);
+    let rhs = make::expr_path(make::ext::ident_path(field_name));
     let assign_stmt = make::expr_stmt(make::expr_assignment(lhs, rhs));
     let body = make::block_expr([assign_stmt.into()], None);
 

crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs

@@ -252,12 +252,9 @@ fn update_attribute(
                 .collect::<Vec<_>>()
         });
         // ...which are interspersed with ", "
-        let tt = Itertools::intersperse(
-            tt,
-            vec![make::token(T![,]).into(), make::tokens::single_space().into()],
-        );
+        let tt = Itertools::intersperse(tt, vec![make::token(T![,]), make::tokens::single_space()]);
         // ...wrap them into the appropriate `NodeOrToken` variant
-        let tt = tt.flatten().map(|token| syntax::NodeOrToken::Token(token));
+        let tt = tt.flatten().map(syntax::NodeOrToken::Token);
         // ...and make them into a flat list of tokens
         let tt = tt.collect::<Vec<_>>();