1 files changed, 3 insertions, 0 deletions
diff --git a/dhall/src/error/mod.rs b/dhall/src/error/mod.rs
index 125d013..2f65443 100644
--- a/dhall/src/error/mod.rs
+++ b/dhall/src/error/mod.rs
@@ -55,6 +55,7 @@ pub(crate) enum TypeMessage {
     TypeMismatch(Typed, Normalized, Typed),
     AnnotMismatch(Typed, Normalized),
     Untyped,
+    FieldCollision(Label),
     InvalidListElement(usize, Normalized, Typed),
     InvalidListType(Normalized),
     InvalidOptionalType(Normalized),
@@ -80,6 +81,8 @@ pub(crate) enum TypeMessage {
     ProjectionMissingEntry,
     Sort,
     RecordTypeDuplicateField,
+    RecordTypeMergeRequiresRecordType(Type),
+    RecordTypeMismatch(Type, Type, Type, Type),
     UnionTypeDuplicateField,
     Unimplemented,
 }