internal: Parse const trait bounds

crates/syntax/src/ast/generated/nodes.rs

@@ -1271,6 +1271,8 @@ pub struct TypeBound {
 impl TypeBound {
     pub fn lifetime(&self) -> Option<Lifetime> { support::child(&self.syntax) }
     pub fn question_mark_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![?]) }
+    pub fn tilde_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![~]) }
+    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
     pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 

crates/syntax/src/tests/sourcegen_ast.rs

@@ -536,6 +536,7 @@ impl Field {
                     "?" => "question_mark",
                     "," => "comma",
                     "|" => "pipe",
+                    "~" => "tilde",
                     _ => name,
                 };
                 format_ident!("{}_token", name)