3 files changed, 13 insertions, 13 deletions

diff --git a/crates/libsyntax2/src/grammar/items/mod.rs b/crates/libsyntax2/src/grammar/items/mod.rs
index d460612b4..18b681ee2 100644
--- a/crates/libsyntax2/src/grammar/items/mod.rs
+++ b/crates/libsyntax2/src/grammar/items/mod.rs
@@ -225,7 +225,7 @@ fn function(p: &mut Parser, flavor: ItemFlavor) {
     name(p);
     // test function_type_params
     // fn foo<T: Clone + Copy>(){}
-    type_params::type_param_list(p);
+    type_params::opt_type_param_list(p);
 
     if p.at(L_PAREN) {
         match flavor {
@@ -240,11 +240,11 @@ fn function(p: &mut Parser, flavor: ItemFlavor) {
     // test function_ret_type
     // fn foo() {}
     // fn bar() -> () {}
-    fn_ret_type(p);
+    opt_fn_ret_type(p);
 
     // test function_where_clause
     // fn foo<T>() where T: Copy {}
-    type_params::where_clause(p);
+    type_params::opt_where_clause(p);
 
     // test fn_decl
     // trait T { fn foo(); }
@@ -263,7 +263,7 @@ fn type_def(p: &mut Parser) {
 
     // test type_item_type_params
     // type Result<T> = ();
-    type_params::type_param_list(p);
+    type_params::opt_type_param_list(p);
 
     if p.at(COLON) {
         type_params::bounds(p);
@@ -271,7 +271,7 @@ fn type_def(p: &mut Parser) {
 
     // test type_item_where_clause
     // type Foo where Foo: Copy = ();
-    type_params::where_clause(p);
+    type_params::opt_where_clause(p);
 
     if p.eat(EQ) {
         types::type_(p);
diff --git a/crates/libsyntax2/src/grammar/items/structs.rs b/crates/libsyntax2/src/grammar/items/structs.rs
index b3ed94fe3..cde9d0ae6 100644
--- a/crates/libsyntax2/src/grammar/items/structs.rs
+++ b/crates/libsyntax2/src/grammar/items/structs.rs
@@ -5,10 +5,10 @@ pub(super) fn struct_def(p: &mut Parser) {
     p.bump();
 
     name(p);
-    type_params::type_param_list(p);
+    type_params::opt_type_param_list(p);
     match p.current() {
         WHERE_KW => {
-            type_params::where_clause(p);
+            type_params::opt_where_clause(p);
             match p.current() {
                 SEMI => {
                     p.bump();
@@ -42,8 +42,8 @@ pub(super) fn enum_def(p: &mut Parser) {
     assert!(p.at(ENUM_KW));
     p.bump();
     name(p);
-    type_params::type_param_list(p);
-    type_params::where_clause(p);
+    type_params::opt_type_param_list(p);
+    type_params::opt_where_clause(p);
     if p.expect(L_CURLY) {
         while !p.at(EOF) && !p.at(R_CURLY) {
             let var = p.start();
diff --git a/crates/libsyntax2/src/grammar/items/traits.rs b/crates/libsyntax2/src/grammar/items/traits.rs
index daecaff5c..73ecd4bef 100644
--- a/crates/libsyntax2/src/grammar/items/traits.rs
+++ b/crates/libsyntax2/src/grammar/items/traits.rs
@@ -6,11 +6,11 @@ pub(super) fn trait_def(p: &mut Parser) {
     assert!(p.at(TRAIT_KW));
     p.bump();
     name(p);
-    type_params::type_param_list(p);
+    type_params::opt_type_param_list(p);
     if p.at(COLON) {
         type_params::bounds(p);
     }
-    type_params::where_clause(p);
+    type_params::opt_where_clause(p);
     p.expect(L_CURLY);
     // test trait_item_items
     // impl F {
@@ -31,7 +31,7 @@ pub(super) fn impl_item(p: &mut Parser) {
     assert!(p.at(IMPL_KW));
     p.bump();
     if choose_type_params_over_qpath(p) {
-        type_params::type_param_list(p);
+        type_params::opt_type_param_list(p);
     }
 
     // TODO: never type
@@ -44,7 +44,7 @@ pub(super) fn impl_item(p: &mut Parser) {
     if p.eat(FOR_KW) {
         types::type_(p);
     }
-    type_params::where_clause(p);
+    type_params::opt_where_clause(p);
     p.expect(L_CURLY);
 
     // test impl_item_items