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cleanup macro after 2018 transition #58589

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merged 1 commit into from
Feb 23, 2019
Merged

cleanup macro after 2018 transition #58589

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6 changes: 2 additions & 4 deletions src/libsyntax/ext/expand.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
})*
) => {
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