Deserialize `Prelude.Map` and `toMap` to a map instead of a list

1 files changed, 6 insertions, 0 deletions

diff --git a/dhall/src/syntax/ast/label.rs b/dhall/src/syntax/ast/label.rs
index 43c3f53..2abde80 100644
--- a/dhall/src/syntax/ast/label.rs
+++ b/dhall/src/syntax/ast/label.rs
@@ -24,6 +24,12 @@ impl From<&Label> for String {
     }
 }
 
+impl std::borrow::Borrow<str> for Label {
+    fn borrow(&self) -> &str {
+        self.0.as_ref()
+    }
+}
+
 impl Label {
     pub fn from_str(s: &str) -> Label {
         Label(s.into())