diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/ext/expand.rs | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs index d398437d7af..f50663f9785 100644 --- a/src/libsyntax/ext/expand.rs +++ b/src/libsyntax/ext/expand.rs @@ -36,10 +36,8 @@ macro_rules! ast_fragments { ( $($Kind:ident($AstTy:ty) { $kind_name:expr; - // FIXME: HACK: this should be `$(one ...)?` and `$(many ...)?` but `?` macro - // repetition was removed from 2015 edition in #51587 because of ambiguities. - $(one fn $mut_visit_ast:ident; fn $visit_ast:ident;)* - $(many fn $flat_map_ast_elt:ident; fn $visit_ast_elt:ident;)* + $(one fn $mut_visit_ast:ident; fn $visit_ast:ident;)? + $(many fn $flat_map_ast_elt:ident; fn $visit_ast_elt:ident;)? fn $make_ast:ident; })* ) => { |