3 files changed, 11 insertions, 3 deletions

diff --git a/crates/syntax/Cargo.toml b/crates/syntax/Cargo.toml
index 21015591c..5d8389ade 100644
--- a/crates/syntax/Cargo.toml
+++ b/crates/syntax/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 doctest = false
 
 [dependencies]
-itertools = "0.9.0"
+itertools = "0.10.0"
 rowan = "0.10.0"
 rustc_lexer = { version = "695.0.0", package = "rustc-ap-rustc_lexer" }
 rustc-hash = "1.1.0"
diff --git a/crates/syntax/src/ast/edit.rs b/crates/syntax/src/ast/edit.rs
index 77233ab31..824ebf41c 100644
--- a/crates/syntax/src/ast/edit.rs
+++ b/crates/syntax/src/ast/edit.rs
@@ -220,7 +220,7 @@ impl ast::RecordExprFieldList {
                     InsertPosition::After($anchor.syntax().clone().into())
                 }
             };
-        };
+        }
 
         let position = match position {
             InsertPosition::First => after_l_curly!(),
@@ -533,7 +533,7 @@ impl ast::GenericParamList {
                     InsertPosition::After($anchor.syntax().clone().into())
                 }
             };
-        };
+        }
 
         let position = match self.generic_params().last() {
             Some(it) => after_field!(it),
diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs
index c45cb514a..2aa472fb4 100644
--- a/crates/syntax/src/ast/node_ext.rs
+++ b/crates/syntax/src/ast/node_ext.rs
@@ -193,6 +193,14 @@ impl ast::UseTreeList {
             .and_then(ast::UseTree::cast)
             .expect("UseTreeLists are always nested in UseTrees")
     }
+
+    pub fn has_inner_comment(&self) -> bool {
+        self.syntax()
+            .children_with_tokens()
+            .filter_map(|it| it.into_token())
+            .find_map(ast::Comment::cast)
+            .is_some()
+    }
 }
 
 impl ast::Impl {