Add some new tests and implement import alternatives

3 files changed, 4 insertions, 4 deletions

diff --git a/dhall/src/error/mod.rs b/dhall/src/error/mod.rs
index aed6ccd..a0ee30a 100644
--- a/dhall/src/error/mod.rs
+++ b/dhall/src/error/mod.rs
@@ -86,7 +86,7 @@ pub(crate) enum TypeMessage {
     RecordTypeMergeRequiresRecordType(Type),
     RecordTypeMismatch(Type, Type, Type, Type),
     UnionTypeDuplicateField,
-    Unimplemented,
+    // Unimplemented,
 }
 
 impl TypeError {
diff --git a/dhall/src/phase/resolve.rs b/dhall/src/phase/resolve.rs
index f1329aa..0609694 100644
--- a/dhall/src/phase/resolve.rs
+++ b/dhall/src/phase/resolve.rs
@@ -86,7 +86,7 @@ fn do_resolve_expr(
             }
         }
     };
-    let expr = expr.traverse_embed(resolve)?;
+    let expr = expr.traverse_resolve(resolve)?;
     Ok(Resolved(expr))
 }
 
@@ -100,7 +100,7 @@ pub fn skip_resolve_expr(
     let resolve = |import: &Import| -> Result<Normalized, ImportError> {
         Err(ImportError::UnexpectedImport(import.clone()))
     };
-    let expr = expr.traverse_embed(resolve)?;
+    let expr = expr.traverse_resolve(resolve)?;
     Ok(Resolved(expr))
 }
 
diff --git a/dhall/src/phase/typecheck.rs b/dhall/src/phase/typecheck.rs
index 8551503..753d25e 100644
--- a/dhall/src/phase/typecheck.rs
+++ b/dhall/src/phase/typecheck.rs
@@ -823,7 +823,7 @@ fn type_last_layer(
                 RightBiasedRecordMerge => unreachable!(),
                 RecursiveRecordMerge => unreachable!(),
                 RecursiveRecordTypeMerge => unreachable!(),
-                _ => return Err(mkerr(Unimplemented)),
+                ImportAlt => unreachable!("There should remain no import alternatives in a resolved expression"),
             })?;
 
             ensure_equal!(