Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/mbe/src/expander.rs')
-rw-r--r--crates/mbe/src/expander.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/crates/mbe/src/expander.rs b/crates/mbe/src/expander.rs
index 1e1bfa5505..100ec6bfb9 100644
--- a/crates/mbe/src/expander.rs
+++ b/crates/mbe/src/expander.rs
@@ -8,7 +8,7 @@ mod transcriber;
use rustc_hash::FxHashMap;
use syntax::SmolStr;
-use crate::{ExpandError, ExpandResult};
+use crate::{parser::MetaVarKind, ExpandError, ExpandResult};
pub(crate) fn expand_rules(
rules: &[crate::Rule],
@@ -104,6 +104,7 @@ enum Binding {
Fragment(Fragment),
Nested(Vec<Binding>),
Empty,
+ Missing(MetaVarKind),
}
#[derive(Debug, Clone, PartialEq, Eq)]