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-rw-r--r--dhall_syntax/src/core/visitor.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/dhall_syntax/src/core/visitor.rs b/dhall_syntax/src/core/visitor.rs
index 49fff60..435771e 100644
--- a/dhall_syntax/src/core/visitor.rs
+++ b/dhall_syntax/src/core/visitor.rs
@@ -150,6 +150,9 @@ where
v.visit_subexpr(y)?,
opt(t, |e| v.visit_subexpr(e))?,
),
+ ToMap(x, t) => {
+ ToMap(v.visit_subexpr(x)?, opt(t, |e| v.visit_subexpr(e))?)
+ }
Field(e, l) => Field(v.visit_subexpr(e)?, l.clone()),
Projection(e, ls) => Projection(v.visit_subexpr(e)?, ls.clone()),
Assert(e) => Assert(v.visit_subexpr(e)?),