Add remove ident for remove_dbg

Author: A4-Tacks

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

@@ -112,7 +112,7 @@ fn compute_dbg_replacement(
                 }
             }
         }
-        // dbg!(2, 'x', ...); or dbg!(&x);
+        // dbg!(2, 'x', &x, x, ...);
         exprs if ast::ExprStmt::can_cast(parent.kind()) && exprs.iter().all(pure_expr) => {
             let mut replace = vec![parent.clone().into()];
             if let Some(prev_sibling) = parent.prev_sibling_or_token()
@@ -181,6 +181,7 @@ fn pure_expr(expr: &ast::Expr) -> bool {
                 matches!(it.expr(), Some(ast::Expr::PathExpr(p))
                     if p.path().and_then(|p| p.as_single_name_ref()).is_some())
             },
+            ast::PathExpr(it) => it.path().and_then(|it| it.as_single_name_ref()).is_some(),
             _ => false,
         }
     }
@@ -266,6 +267,7 @@ fn foo() {
     dbg!(1, 2.5);
     dbg!('x');
     dbg!(&n);
+    dbg!(n);
     // needless comment
     dbg!("foo");$0
 }