Fix brace problem in panic message in rustc_expand.

2020-10-19 00:05:45 +02:00 · 2020-10-19 00:05:45 +02:00 · 9a840a30d6
commit 9a840a30d6
parent 9615d27ab7
1 changed files with 2 additions and 1 deletions
--- a/compiler/rustc_expand/src/mbe/macro_rules.rs
+++ b/compiler/rustc_expand/src/mbe/macro_rules.rs
@ -1173,7 +1173,8 @@ fn quoted_tt_to_string(tt: &mbe::TokenTree) -> String {
        mbe::TokenTree::MetaVar(_, name) => format!("${}", name),
        mbe::TokenTree::MetaVarDecl(_, name, kind) => format!("${}:{}", name, kind),
        _ => panic!(
-            "unexpected mbe::TokenTree::{{Sequence or Delimited}} \
+            "{}",
+            "unexpected mbe::TokenTree::{Sequence or Delimited} \
             in follow set checker"
        ),
    }