mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cleanup macro after 2018 transition

Browse Source 
We can now use `?`
This commit is contained in:
Aleksey Kladov 2019-02-20 10:10:11 +03:00
parent 74e35d2700
commit 65622e319e
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/libsyntax/ext/expand.rs
View File

@ -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;
})*
) => {