From 8c64ae33149db4edaaa89d2d187baf10a2b9f8bf Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Sat, 25 Jan 2020 13:29:27 +0000
Subject: Make most type errors stringy

---
 dhall/tests/type-errors/hurkensParadox.txt                 |  9 +--------
 .../type-errors/unit/AnnotationRecordWrongFieldName.txt    |  2 +-
 .../type-errors/unit/AnnotationRecordWrongFieldType.txt    |  2 +-
 dhall/tests/type-errors/unit/AssertDoubleZeros.txt         |  2 +-
 dhall/tests/type-errors/unit/AssertTriviallyFalse.txt      |  2 +-
 dhall/tests/type-errors/unit/EquivalenceNotSameType.txt    |  2 +-
 dhall/tests/type-errors/unit/EquivalenceNotTerms.txt       |  2 +-
 .../unit/FunctionApplicationArgumentNotMatch.txt           | 14 +-------------
 .../type-errors/unit/FunctionApplicationIsNotFunction.txt  |  7 +------
 dhall/tests/type-errors/unit/IfBranchesNotMatch.txt        |  2 +-
 dhall/tests/type-errors/unit/IfBranchesNotType.txt         |  2 +-
 dhall/tests/type-errors/unit/IfNotBool.txt                 |  2 +-
 dhall/tests/type-errors/unit/LetWithWrongAnnotation.txt    |  2 +-
 dhall/tests/type-errors/unit/ListLiteralEmptyNotType.txt   | 14 +-------------
 dhall/tests/type-errors/unit/ListLiteralNotType.txt        |  2 +-
 dhall/tests/type-errors/unit/ListLiteralTypesNotMatch.txt  |  2 +-
 .../type-errors/unit/MergeAlternativeHasNoHandler.txt      |  2 +-
 dhall/tests/type-errors/unit/MergeAnnotationNotType.txt    |  2 +-
 .../tests/type-errors/unit/MergeEmptyWithoutAnnotation.txt |  2 +-
 dhall/tests/type-errors/unit/MergeHandlerNotFunction.txt   |  2 +-
 dhall/tests/type-errors/unit/MergeHandlerNotInUnion.txt    |  2 +-
 .../unit/MergeHandlerNotMatchAlternativeType.txt           | 14 +-------------
 dhall/tests/type-errors/unit/MergeLhsNotRecord.txt         |  2 +-
 dhall/tests/type-errors/unit/MergeMissingHandler1.txt      |  2 +-
 dhall/tests/type-errors/unit/MergeMissingHandler2.txt      |  2 +-
 dhall/tests/type-errors/unit/MergeRhsNotUnion.txt          |  2 +-
 dhall/tests/type-errors/unit/MergeUnusedHandler.txt        |  2 +-
 dhall/tests/type-errors/unit/NaturalSubtractNotNatural.txt | 14 +-------------
 dhall/tests/type-errors/unit/OperatorAndNotBool.txt        |  2 +-
 dhall/tests/type-errors/unit/OperatorEqualNotBool.txt      |  2 +-
 .../type-errors/unit/OperatorListConcatenateLhsNotList.txt |  2 +-
 .../unit/OperatorListConcatenateListsNotMatch.txt          |  2 +-
 .../unit/OperatorListConcatenateNotListsButMatch.txt       |  2 +-
 .../type-errors/unit/OperatorListConcatenateRhsNotList.txt |  2 +-
 dhall/tests/type-errors/unit/OperatorNotEqualNotBool.txt   |  2 +-
 dhall/tests/type-errors/unit/OperatorOrNotBool.txt         |  2 +-
 dhall/tests/type-errors/unit/OperatorPlusNotNatural.txt    |  2 +-
 .../type-errors/unit/OperatorTextConcatenateLhsNotText.txt |  2 +-
 .../type-errors/unit/OperatorTextConcatenateRhsNotText.txt |  2 +-
 dhall/tests/type-errors/unit/OperatorTimesNotNatural.txt   |  2 +-
 .../type-errors/unit/OptionalDeprecatedSyntaxAbsent.txt    |  2 +-
 .../type-errors/unit/OptionalDeprecatedSyntaxPresent.txt   |  2 +-
 dhall/tests/type-errors/unit/RecordSelectionEmpty.txt      |  2 +-
 dhall/tests/type-errors/unit/RecordSelectionNotPresent.txt |  2 +-
 dhall/tests/type-errors/unit/RecordSelectionNotRecord.txt  |  2 +-
 .../type-errors/unit/RecordSelectionTypeNotUnionType.txt   |  2 +-
 .../type-errors/unit/RecursiveRecordMergeLhsNotRecord.txt  |  2 +-
 .../type-errors/unit/RecursiveRecordMergeOverlapping.txt   |  2 +-
 .../type-errors/unit/RecursiveRecordMergeRhsNotRecord.txt  |  2 +-
 .../unit/RecursiveRecordTypeMergeLhsNotRecordType.txt      |  2 +-
 .../unit/RecursiveRecordTypeMergeOverlapping.txt           |  2 +-
 .../unit/RecursiveRecordTypeMergeRhsNotRecordType.txt      |  2 +-
 .../unit/RightBiasedRecordMergeLhsNotRecord.txt            |  2 +-
 .../unit/RightBiasedRecordMergeRhsNotRecord.txt            |  2 +-
 dhall/tests/type-errors/unit/SomeNotType.txt               |  2 +-
 .../type-errors/unit/TextLiteralInterpolateNotText.txt     |  2 +-
 dhall/tests/type-errors/unit/TypeAnnotationWrong.txt       |  2 +-
 .../type-errors/unit/UnionConstructorFieldNotPresent.txt   |  2 +-
 58 files changed, 58 insertions(+), 118 deletions(-)

(limited to 'dhall/tests')

diff --git a/dhall/tests/type-errors/hurkensParadox.txt b/dhall/tests/type-errors/hurkensParadox.txt
index 870388d..9342fd8 100644
--- a/dhall/tests/type-errors/hurkensParadox.txt
+++ b/dhall/tests/type-errors/hurkensParadox.txt
@@ -1,8 +1 @@
-[unknown location] Type error: Wrong type of function argument
-[unknown location] This argument has type Sort
- --> 5:21
-  |
-5 | in  let pow = λ(X : Kind) → X → Type␊
-  |                     ^--^
-  |
-  = But the function expected an argument of type Kind
+Type error: Unhandled error: TypeMismatch
diff --git a/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldName.txt b/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldName.txt
index 3f737c2..045eb98 100644
--- a/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldName.txt
+++ b/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldName.txt
@@ -1 +1 @@
-Type error: Unhandled error: AnnotMismatch(Value@Unevaled { value: PartialExpr(RecordLit(DupTreeMap { map: {Label("x"): [Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@Unevaled { value: AppliedBuiltin(Natural, [], []), type: Type } }]}, size: 1 })), type: Value@WHNF { value: RecordType({Label("x"): Value@Unevaled { value: AppliedBuiltin(Natural, [], []), type: Type }}), type: Type } }, Value@WHNF { value: RecordType({Label("y"): Value@Unevaled { value: AppliedBuiltin(Natural, [], []), type: Type }}), type: Type })
+Type error: Unhandled error: AnnotMismatch
diff --git a/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldType.txt b/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldType.txt
index d211716..045eb98 100644
--- a/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldType.txt
+++ b/dhall/tests/type-errors/unit/AnnotationRecordWrongFieldType.txt
@@ -1 +1 @@
-Type error: Unhandled error: AnnotMismatch(Value@Unevaled { value: PartialExpr(RecordLit(DupTreeMap { map: {Label("x"): [Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } }]}, size: 1 })), type: Value@WHNF { value: RecordType({Label("x"): Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type }}), type: Type } }, Value@WHNF { value: RecordType({Label("x"): Value@WHNF { value: AppliedBuiltin(Text, [], []), type: Type }}), type: Type })
+Type error: Unhandled error: AnnotMismatch
diff --git a/dhall/tests/type-errors/unit/AssertDoubleZeros.txt b/dhall/tests/type-errors/unit/AssertDoubleZeros.txt
index 6886495..d8627ba 100644
--- a/dhall/tests/type-errors/unit/AssertDoubleZeros.txt
+++ b/dhall/tests/type-errors/unit/AssertDoubleZeros.txt
@@ -1 +1 @@
-Type error: Unhandled error: AssertMismatch(Value@WHNF { value: DoubleLit(NaiveDouble(-0.0)), type: Value@WHNF { value: AppliedBuiltin(Double, [], []), type: Type } }, Value@WHNF { value: DoubleLit(NaiveDouble(0.0)), type: Value@WHNF { value: AppliedBuiltin(Double, [], []), type: Type } })
+Type error: Unhandled error: AssertMismatch
diff --git a/dhall/tests/type-errors/unit/AssertTriviallyFalse.txt b/dhall/tests/type-errors/unit/AssertTriviallyFalse.txt
index 6f8e4a7..d8627ba 100644
--- a/dhall/tests/type-errors/unit/AssertTriviallyFalse.txt
+++ b/dhall/tests/type-errors/unit/AssertTriviallyFalse.txt
@@ -1 +1 @@
-Type error: Unhandled error: AssertMismatch(Value@WHNF { value: NaturalLit(1), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } }, Value@WHNF { value: NaturalLit(2), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: AssertMismatch
diff --git a/dhall/tests/type-errors/unit/EquivalenceNotSameType.txt b/dhall/tests/type-errors/unit/EquivalenceNotSameType.txt
index bdbe0e4..89749e9 100644
--- a/dhall/tests/type-errors/unit/EquivalenceNotSameType.txt
+++ b/dhall/tests/type-errors/unit/EquivalenceNotSameType.txt
@@ -1 +1 @@
-Type error: Unhandled error: EquivalenceTypeMismatch(Value@Unevaled { value: PartialExpr(BoolLit(false)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } }, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: EquivalenceTypeMismatch
diff --git a/dhall/tests/type-errors/unit/EquivalenceNotTerms.txt b/dhall/tests/type-errors/unit/EquivalenceNotTerms.txt
index 23b37d3..7c48d6f 100644
--- a/dhall/tests/type-errors/unit/EquivalenceNotTerms.txt
+++ b/dhall/tests/type-errors/unit/EquivalenceNotTerms.txt
@@ -1 +1 @@
-Type error: Unhandled error: EquivalenceArgumentMustBeTerm(true, Value@Unevaled { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: EquivalenceArgumentMustBeTerm
diff --git a/dhall/tests/type-errors/unit/FunctionApplicationArgumentNotMatch.txt b/dhall/tests/type-errors/unit/FunctionApplicationArgumentNotMatch.txt
index 8507ccf..9342fd8 100644
--- a/dhall/tests/type-errors/unit/FunctionApplicationArgumentNotMatch.txt
+++ b/dhall/tests/type-errors/unit/FunctionApplicationArgumentNotMatch.txt
@@ -1,13 +1 @@
-[unknown location] Type error: Wrong type of function argument
- --> 1:22
-  |
-1 | (λ(_ : Natural) → _) True␊
-  |                      ^--^
-  |
-  = This argument has type Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type }
- --> 1:8
-  |
-1 | (λ(_ : Natural) → _) True␊
-  |        ^-----^
-  |
-  = But the function expected an argument of type Value@NF { value: AppliedBuiltin(Natural, [], []), type: Type }
+Type error: Unhandled error: TypeMismatch
diff --git a/dhall/tests/type-errors/unit/FunctionApplicationIsNotFunction.txt b/dhall/tests/type-errors/unit/FunctionApplicationIsNotFunction.txt
index 062f9de..f1cdf92 100644
--- a/dhall/tests/type-errors/unit/FunctionApplicationIsNotFunction.txt
+++ b/dhall/tests/type-errors/unit/FunctionApplicationIsNotFunction.txt
@@ -1,6 +1 @@
- --> 1:1
-  |
-1 | True True␊
-  | ^--^
-  |
-  = Type error: Not a function
+Type error: Unhandled error: NotAFunction
diff --git a/dhall/tests/type-errors/unit/IfBranchesNotMatch.txt b/dhall/tests/type-errors/unit/IfBranchesNotMatch.txt
index 4d28695..6b1dcdd 100644
--- a/dhall/tests/type-errors/unit/IfBranchesNotMatch.txt
+++ b/dhall/tests/type-errors/unit/IfBranchesNotMatch.txt
@@ -1 +1 @@
-Type error: Unhandled error: IfBranchMismatch(Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } }, Value@Unevaled { value: PartialExpr(TextLit(InterpolatedText { head: "", tail: [] })), type: Value@WHNF { value: AppliedBuiltin(Text, [], []), type: Type } })
+Type error: Unhandled error: IfBranchMismatch
diff --git a/dhall/tests/type-errors/unit/IfBranchesNotType.txt b/dhall/tests/type-errors/unit/IfBranchesNotType.txt
index 8ef3a40..06039a7 100644
--- a/dhall/tests/type-errors/unit/IfBranchesNotType.txt
+++ b/dhall/tests/type-errors/unit/IfBranchesNotType.txt
@@ -1 +1 @@
-Type error: Unhandled error: IfBranchMustBeTerm(true, Type)
+Type error: Unhandled error: IfBranchMustBeTerm
diff --git a/dhall/tests/type-errors/unit/IfNotBool.txt b/dhall/tests/type-errors/unit/IfNotBool.txt
index 665093f..b2d200c 100644
--- a/dhall/tests/type-errors/unit/IfNotBool.txt
+++ b/dhall/tests/type-errors/unit/IfNotBool.txt
@@ -1 +1 @@
-Type error: Unhandled error: InvalidPredicate(Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: InvalidPredicate
diff --git a/dhall/tests/type-errors/unit/LetWithWrongAnnotation.txt b/dhall/tests/type-errors/unit/LetWithWrongAnnotation.txt
index 61096d0..045eb98 100644
--- a/dhall/tests/type-errors/unit/LetWithWrongAnnotation.txt
+++ b/dhall/tests/type-errors/unit/LetWithWrongAnnotation.txt
@@ -1 +1 @@
-Type error: Unhandled error: AnnotMismatch(Value@Unevaled { value: PartialExpr(BoolLit(true)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } }, Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type })
+Type error: Unhandled error: AnnotMismatch
diff --git a/dhall/tests/type-errors/unit/ListLiteralEmptyNotType.txt b/dhall/tests/type-errors/unit/ListLiteralEmptyNotType.txt
index e075521..9342fd8 100644
--- a/dhall/tests/type-errors/unit/ListLiteralEmptyNotType.txt
+++ b/dhall/tests/type-errors/unit/ListLiteralEmptyNotType.txt
@@ -1,13 +1 @@
- --> 1:6
-  |
-1 | [] : List Type␊
-  |      ^--^
-  |
-  = Type error: Wrong type of function argument
- --> 1:11
-  |
-1 | [] : List Type␊
-  |           ^--^
-  |
-  = This argument has type Kind
-[unknown location] But the function expected an argument of type Type
+Type error: Unhandled error: TypeMismatch
diff --git a/dhall/tests/type-errors/unit/ListLiteralNotType.txt b/dhall/tests/type-errors/unit/ListLiteralNotType.txt
index 99b95a3..3937453 100644
--- a/dhall/tests/type-errors/unit/ListLiteralNotType.txt
+++ b/dhall/tests/type-errors/unit/ListLiteralNotType.txt
@@ -1 +1 @@
-Type error: Unhandled error: InvalidListType(Type)
+Type error: Unhandled error: InvalidListType
diff --git a/dhall/tests/type-errors/unit/ListLiteralTypesNotMatch.txt b/dhall/tests/type-errors/unit/ListLiteralTypesNotMatch.txt
index 2355b7c..a64cf67 100644
--- a/dhall/tests/type-errors/unit/ListLiteralTypesNotMatch.txt
+++ b/dhall/tests/type-errors/unit/ListLiteralTypesNotMatch.txt
@@ -1 +1 @@
-Type error: Unhandled error: InvalidListElement(1, Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type }, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: InvalidListElement
diff --git a/dhall/tests/type-errors/unit/MergeAlternativeHasNoHandler.txt b/dhall/tests/type-errors/unit/MergeAlternativeHasNoHandler.txt
index d4e9024..711d77d 100644
--- a/dhall/tests/type-errors/unit/MergeAlternativeHasNoHandler.txt
+++ b/dhall/tests/type-errors/unit/MergeAlternativeHasNoHandler.txt
@@ -1 +1 @@
-Type error: Unhandled error: MergeVariantMissingHandler(Label("x"))
+Type error: Unhandled error: MergeVariantMissingHandler
diff --git a/dhall/tests/type-errors/unit/MergeAnnotationNotType.txt b/dhall/tests/type-errors/unit/MergeAnnotationNotType.txt
index 7da5cb9..4c72653 100644
--- a/dhall/tests/type-errors/unit/MergeAnnotationNotType.txt
+++ b/dhall/tests/type-errors/unit/MergeAnnotationNotType.txt
@@ -1 +1 @@
-Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional(Value@Unevaled { value: UnionType({}), type: Type })
+Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional
diff --git a/dhall/tests/type-errors/unit/MergeEmptyWithoutAnnotation.txt b/dhall/tests/type-errors/unit/MergeEmptyWithoutAnnotation.txt
index 7da5cb9..4c72653 100644
--- a/dhall/tests/type-errors/unit/MergeEmptyWithoutAnnotation.txt
+++ b/dhall/tests/type-errors/unit/MergeEmptyWithoutAnnotation.txt
@@ -1 +1 @@
-Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional(Value@Unevaled { value: UnionType({}), type: Type })
+Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional
diff --git a/dhall/tests/type-errors/unit/MergeHandlerNotFunction.txt b/dhall/tests/type-errors/unit/MergeHandlerNotFunction.txt
index c5ed223..f1cdf92 100644
--- a/dhall/tests/type-errors/unit/MergeHandlerNotFunction.txt
+++ b/dhall/tests/type-errors/unit/MergeHandlerNotFunction.txt
@@ -1 +1 @@
-[unknown location] Type error: Not a function
+Type error: Unhandled error: NotAFunction
diff --git a/dhall/tests/type-errors/unit/MergeHandlerNotInUnion.txt b/dhall/tests/type-errors/unit/MergeHandlerNotInUnion.txt
index 7da5cb9..4c72653 100644
--- a/dhall/tests/type-errors/unit/MergeHandlerNotInUnion.txt
+++ b/dhall/tests/type-errors/unit/MergeHandlerNotInUnion.txt
@@ -1 +1 @@
-Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional(Value@Unevaled { value: UnionType({}), type: Type })
+Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional
diff --git a/dhall/tests/type-errors/unit/MergeHandlerNotMatchAlternativeType.txt b/dhall/tests/type-errors/unit/MergeHandlerNotMatchAlternativeType.txt
index 19f375a..9342fd8 100644
--- a/dhall/tests/type-errors/unit/MergeHandlerNotMatchAlternativeType.txt
+++ b/dhall/tests/type-errors/unit/MergeHandlerNotMatchAlternativeType.txt
@@ -1,13 +1 @@
-[unknown location] Type error: Wrong type of function argument
- --> 1:38
-  |
-1 | merge { x = λ(_ : Bool) → _ } (< x : Natural >.x 1)␊
-  |                                      ^-----^
-  |
-  = This argument has type Type
- --> 1:19
-  |
-1 | merge { x = λ(_ : Bool) → _ } (< x : Natural >.x 1)␊
-  |                   ^--^
-  |
-  = But the function expected an argument of type Value@NF { value: AppliedBuiltin(Bool, [], []), type: Type }
+Type error: Unhandled error: TypeMismatch
diff --git a/dhall/tests/type-errors/unit/MergeLhsNotRecord.txt b/dhall/tests/type-errors/unit/MergeLhsNotRecord.txt
index 785fc63..d151710 100644
--- a/dhall/tests/type-errors/unit/MergeLhsNotRecord.txt
+++ b/dhall/tests/type-errors/unit/MergeLhsNotRecord.txt
@@ -1 +1 @@
-Type error: Unhandled error: Merge1ArgMustBeRecord(Value@Unevaled { value: PartialExpr(BoolLit(true)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } })
+Type error: Unhandled error: Merge1ArgMustBeRecord
diff --git a/dhall/tests/type-errors/unit/MergeMissingHandler1.txt b/dhall/tests/type-errors/unit/MergeMissingHandler1.txt
index d4e9024..711d77d 100644
--- a/dhall/tests/type-errors/unit/MergeMissingHandler1.txt
+++ b/dhall/tests/type-errors/unit/MergeMissingHandler1.txt
@@ -1 +1 @@
-Type error: Unhandled error: MergeVariantMissingHandler(Label("x"))
+Type error: Unhandled error: MergeVariantMissingHandler
diff --git a/dhall/tests/type-errors/unit/MergeMissingHandler2.txt b/dhall/tests/type-errors/unit/MergeMissingHandler2.txt
index d583de7..711d77d 100644
--- a/dhall/tests/type-errors/unit/MergeMissingHandler2.txt
+++ b/dhall/tests/type-errors/unit/MergeMissingHandler2.txt
@@ -1 +1 @@
-Type error: Unhandled error: MergeVariantMissingHandler(Label("y"))
+Type error: Unhandled error: MergeVariantMissingHandler
diff --git a/dhall/tests/type-errors/unit/MergeRhsNotUnion.txt b/dhall/tests/type-errors/unit/MergeRhsNotUnion.txt
index 8954538..4c72653 100644
--- a/dhall/tests/type-errors/unit/MergeRhsNotUnion.txt
+++ b/dhall/tests/type-errors/unit/MergeRhsNotUnion.txt
@@ -1 +1 @@
-Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional(Value@Unevaled { value: PartialExpr(BoolLit(true)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } })
+Type error: Unhandled error: Merge2ArgMustBeUnionOrOptional
diff --git a/dhall/tests/type-errors/unit/MergeUnusedHandler.txt b/dhall/tests/type-errors/unit/MergeUnusedHandler.txt
index b7eefdd..a429b89 100644
--- a/dhall/tests/type-errors/unit/MergeUnusedHandler.txt
+++ b/dhall/tests/type-errors/unit/MergeUnusedHandler.txt
@@ -1 +1 @@
-Type error: Unhandled error: MergeHandlerMissingVariant(Label("y"))
+Type error: Unhandled error: MergeHandlerMissingVariant
diff --git a/dhall/tests/type-errors/unit/NaturalSubtractNotNatural.txt b/dhall/tests/type-errors/unit/NaturalSubtractNotNatural.txt
index 784fd8a..9342fd8 100644
--- a/dhall/tests/type-errors/unit/NaturalSubtractNotNatural.txt
+++ b/dhall/tests/type-errors/unit/NaturalSubtractNotNatural.txt
@@ -1,13 +1 @@
- --> 1:1
-  |
-1 | Natural/subtract True True␊
-  | ^--------------^
-  |
-  = Type error: Wrong type of function argument
- --> 1:18
-  |
-1 | Natural/subtract True True␊
-  |                  ^--^
-  |
-  = This argument has type Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type }
-[unknown location] But the function expected an argument of type Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type }
+Type error: Unhandled error: TypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorAndNotBool.txt b/dhall/tests/type-errors/unit/OperatorAndNotBool.txt
index b9314fb..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorAndNotBool.txt
+++ b/dhall/tests/type-errors/unit/OperatorAndNotBool.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(BoolAnd, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorEqualNotBool.txt b/dhall/tests/type-errors/unit/OperatorEqualNotBool.txt
index 253e2f2..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorEqualNotBool.txt
+++ b/dhall/tests/type-errors/unit/OperatorEqualNotBool.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(BoolEQ, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorListConcatenateLhsNotList.txt b/dhall/tests/type-errors/unit/OperatorListConcatenateLhsNotList.txt
index 735d101..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorListConcatenateLhsNotList.txt
+++ b/dhall/tests/type-errors/unit/OperatorListConcatenateLhsNotList.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(ListAppend, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorListConcatenateListsNotMatch.txt b/dhall/tests/type-errors/unit/OperatorListConcatenateListsNotMatch.txt
index b931c01..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorListConcatenateListsNotMatch.txt
+++ b/dhall/tests/type-errors/unit/OperatorListConcatenateListsNotMatch.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(ListAppend, Value@Unevaled { value: PartialExpr(NEListLit([Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } }])), type: Value@WHNF { value: AppliedBuiltin(List, [Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type }], [Value@WHNF { value: Pi(Binder(`_`), Type, Type), type: Kind }]), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorListConcatenateNotListsButMatch.txt b/dhall/tests/type-errors/unit/OperatorListConcatenateNotListsButMatch.txt
index 735d101..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorListConcatenateNotListsButMatch.txt
+++ b/dhall/tests/type-errors/unit/OperatorListConcatenateNotListsButMatch.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(ListAppend, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorListConcatenateRhsNotList.txt b/dhall/tests/type-errors/unit/OperatorListConcatenateRhsNotList.txt
index 735d101..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorListConcatenateRhsNotList.txt
+++ b/dhall/tests/type-errors/unit/OperatorListConcatenateRhsNotList.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(ListAppend, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorNotEqualNotBool.txt b/dhall/tests/type-errors/unit/OperatorNotEqualNotBool.txt
index c3c83b1..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorNotEqualNotBool.txt
+++ b/dhall/tests/type-errors/unit/OperatorNotEqualNotBool.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(BoolNE, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorOrNotBool.txt b/dhall/tests/type-errors/unit/OperatorOrNotBool.txt
index 32caf35..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorOrNotBool.txt
+++ b/dhall/tests/type-errors/unit/OperatorOrNotBool.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(BoolOr, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorPlusNotNatural.txt b/dhall/tests/type-errors/unit/OperatorPlusNotNatural.txt
index 4e578c4..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorPlusNotNatural.txt
+++ b/dhall/tests/type-errors/unit/OperatorPlusNotNatural.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(NaturalPlus, Value@Unevaled { value: PartialExpr(BoolLit(true)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorTextConcatenateLhsNotText.txt b/dhall/tests/type-errors/unit/OperatorTextConcatenateLhsNotText.txt
index 58d4b23..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorTextConcatenateLhsNotText.txt
+++ b/dhall/tests/type-errors/unit/OperatorTextConcatenateLhsNotText.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(TextAppend, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorTextConcatenateRhsNotText.txt b/dhall/tests/type-errors/unit/OperatorTextConcatenateRhsNotText.txt
index 58d4b23..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorTextConcatenateRhsNotText.txt
+++ b/dhall/tests/type-errors/unit/OperatorTextConcatenateRhsNotText.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(TextAppend, Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OperatorTimesNotNatural.txt b/dhall/tests/type-errors/unit/OperatorTimesNotNatural.txt
index 8caf338..9f10587 100644
--- a/dhall/tests/type-errors/unit/OperatorTimesNotNatural.txt
+++ b/dhall/tests/type-errors/unit/OperatorTimesNotNatural.txt
@@ -1 +1 @@
-Type error: Unhandled error: BinOpTypeMismatch(NaturalTimes, Value@Unevaled { value: PartialExpr(BoolLit(true)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } })
+Type error: Unhandled error: BinOpTypeMismatch
diff --git a/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxAbsent.txt b/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxAbsent.txt
index e524a07..3937453 100644
--- a/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxAbsent.txt
+++ b/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxAbsent.txt
@@ -1 +1 @@
-Type error: Unhandled error: InvalidListType(Value@WHNF { value: AppliedBuiltin(Optional, [Value@Unevaled { value: AppliedBuiltin(Bool, [], []), type: Type }], [Value@WHNF { value: Pi(Binder(`_`), Type, Type), type: Kind }]), type: Type })
+Type error: Unhandled error: InvalidListType
diff --git a/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxPresent.txt b/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxPresent.txt
index 5ff6a69..045eb98 100644
--- a/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxPresent.txt
+++ b/dhall/tests/type-errors/unit/OptionalDeprecatedSyntaxPresent.txt
@@ -1 +1 @@
-Type error: Unhandled error: AnnotMismatch(Value@Unevaled { value: PartialExpr(NEListLit([Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@Unevaled { value: AppliedBuiltin(Natural, [], []), type: Type } }])), type: Value@WHNF { value: AppliedBuiltin(List, [Value@Unevaled { value: AppliedBuiltin(Natural, [], []), type: Type }], [Value@WHNF { value: Pi(Binder(`_`), Type, Type), type: Kind }]), type: Type } }, Value@WHNF { value: AppliedBuiltin(Optional, [Value@Unevaled { value: AppliedBuiltin(Natural, [], []), type: Type }], [Value@WHNF { value: Pi(Binder(`_`), Type, Type), type: Kind }]), type: Type })
+Type error: Unhandled error: AnnotMismatch
diff --git a/dhall/tests/type-errors/unit/RecordSelectionEmpty.txt b/dhall/tests/type-errors/unit/RecordSelectionEmpty.txt
index 1770faa..ea48374 100644
--- a/dhall/tests/type-errors/unit/RecordSelectionEmpty.txt
+++ b/dhall/tests/type-errors/unit/RecordSelectionEmpty.txt
@@ -1 +1 @@
-Type error: Unhandled error: MissingRecordField(Label("x"), Value@Unevaled { value: PartialExpr(RecordLit(DupTreeMap { map: {}, size: 0 })), type: Value@WHNF { value: RecordType({}), type: Type } })
+Type error: Unhandled error: MissingRecordField
diff --git a/dhall/tests/type-errors/unit/RecordSelectionNotPresent.txt b/dhall/tests/type-errors/unit/RecordSelectionNotPresent.txt
index 9211e05..ea48374 100644
--- a/dhall/tests/type-errors/unit/RecordSelectionNotPresent.txt
+++ b/dhall/tests/type-errors/unit/RecordSelectionNotPresent.txt
@@ -1 +1 @@
-Type error: Unhandled error: MissingRecordField(Label("x"), Value@Unevaled { value: PartialExpr(RecordLit(DupTreeMap { map: {Label("y"): [Value@Unevaled { value: PartialExpr(RecordLit(DupTreeMap { map: {}, size: 0 })), type: Value@Unevaled { value: RecordType({}), type: Type } }]}, size: 1 })), type: Value@WHNF { value: RecordType({Label("y"): Value@Unevaled { value: RecordType({}), type: Type }}), type: Type } })
+Type error: Unhandled error: MissingRecordField
diff --git a/dhall/tests/type-errors/unit/RecordSelectionNotRecord.txt b/dhall/tests/type-errors/unit/RecordSelectionNotRecord.txt
index 292ab0e..35d604f 100644
--- a/dhall/tests/type-errors/unit/RecordSelectionNotRecord.txt
+++ b/dhall/tests/type-errors/unit/RecordSelectionNotRecord.txt
@@ -1 +1 @@
-Type error: Unhandled error: NotARecord(Label("x"), Value@WHNF { value: BoolLit(true), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } })
+Type error: Unhandled error: NotARecord
diff --git a/dhall/tests/type-errors/unit/RecordSelectionTypeNotUnionType.txt b/dhall/tests/type-errors/unit/RecordSelectionTypeNotUnionType.txt
index dff292e..35d604f 100644
--- a/dhall/tests/type-errors/unit/RecordSelectionTypeNotUnionType.txt
+++ b/dhall/tests/type-errors/unit/RecordSelectionTypeNotUnionType.txt
@@ -1 +1 @@
-Type error: Unhandled error: NotARecord(Label("x"), Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: NotARecord
diff --git a/dhall/tests/type-errors/unit/RecursiveRecordMergeLhsNotRecord.txt b/dhall/tests/type-errors/unit/RecursiveRecordMergeLhsNotRecord.txt
index 27ed928..7fd03d3 100644
--- a/dhall/tests/type-errors/unit/RecursiveRecordMergeLhsNotRecord.txt
+++ b/dhall/tests/type-errors/unit/RecursiveRecordMergeLhsNotRecord.txt
@@ -1 +1 @@
-Type error: Unhandled error: RecordTypeMergeRequiresRecordType(Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: RecordTypeMergeRequiresRecordType
diff --git a/dhall/tests/type-errors/unit/RecursiveRecordMergeOverlapping.txt b/dhall/tests/type-errors/unit/RecursiveRecordMergeOverlapping.txt
index 27ed928..7fd03d3 100644
--- a/dhall/tests/type-errors/unit/RecursiveRecordMergeOverlapping.txt
+++ b/dhall/tests/type-errors/unit/RecursiveRecordMergeOverlapping.txt
@@ -1 +1 @@
-Type error: Unhandled error: RecordTypeMergeRequiresRecordType(Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: RecordTypeMergeRequiresRecordType
diff --git a/dhall/tests/type-errors/unit/RecursiveRecordMergeRhsNotRecord.txt b/dhall/tests/type-errors/unit/RecursiveRecordMergeRhsNotRecord.txt
index 27ed928..7fd03d3 100644
--- a/dhall/tests/type-errors/unit/RecursiveRecordMergeRhsNotRecord.txt
+++ b/dhall/tests/type-errors/unit/RecursiveRecordMergeRhsNotRecord.txt
@@ -1 +1 @@
-Type error: Unhandled error: RecordTypeMergeRequiresRecordType(Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: RecordTypeMergeRequiresRecordType
diff --git a/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeLhsNotRecordType.txt b/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeLhsNotRecordType.txt
index 27ed928..7fd03d3 100644
--- a/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeLhsNotRecordType.txt
+++ b/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeLhsNotRecordType.txt
@@ -1 +1 @@
-Type error: Unhandled error: RecordTypeMergeRequiresRecordType(Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: RecordTypeMergeRequiresRecordType
diff --git a/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeOverlapping.txt b/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeOverlapping.txt
index 27ed928..7fd03d3 100644
--- a/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeOverlapping.txt
+++ b/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeOverlapping.txt
@@ -1 +1 @@
-Type error: Unhandled error: RecordTypeMergeRequiresRecordType(Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: RecordTypeMergeRequiresRecordType
diff --git a/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeRhsNotRecordType.txt b/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeRhsNotRecordType.txt
index 27ed928..7fd03d3 100644
--- a/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeRhsNotRecordType.txt
+++ b/dhall/tests/type-errors/unit/RecursiveRecordTypeMergeRhsNotRecordType.txt
@@ -1 +1 @@
-Type error: Unhandled error: RecordTypeMergeRequiresRecordType(Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: RecordTypeMergeRequiresRecordType
diff --git a/dhall/tests/type-errors/unit/RightBiasedRecordMergeLhsNotRecord.txt b/dhall/tests/type-errors/unit/RightBiasedRecordMergeLhsNotRecord.txt
index fbb410f..42600a4 100644
--- a/dhall/tests/type-errors/unit/RightBiasedRecordMergeLhsNotRecord.txt
+++ b/dhall/tests/type-errors/unit/RightBiasedRecordMergeLhsNotRecord.txt
@@ -1 +1 @@
-Type error: Unhandled error: MustCombineRecord(Value@Unevaled { value: PartialExpr(BoolLit(true)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } })
+Type error: Unhandled error: MustCombineRecord
diff --git a/dhall/tests/type-errors/unit/RightBiasedRecordMergeRhsNotRecord.txt b/dhall/tests/type-errors/unit/RightBiasedRecordMergeRhsNotRecord.txt
index fbb410f..42600a4 100644
--- a/dhall/tests/type-errors/unit/RightBiasedRecordMergeRhsNotRecord.txt
+++ b/dhall/tests/type-errors/unit/RightBiasedRecordMergeRhsNotRecord.txt
@@ -1 +1 @@
-Type error: Unhandled error: MustCombineRecord(Value@Unevaled { value: PartialExpr(BoolLit(true)), type: Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type } })
+Type error: Unhandled error: MustCombineRecord
diff --git a/dhall/tests/type-errors/unit/SomeNotType.txt b/dhall/tests/type-errors/unit/SomeNotType.txt
index 43581a0..63fec72 100644
--- a/dhall/tests/type-errors/unit/SomeNotType.txt
+++ b/dhall/tests/type-errors/unit/SomeNotType.txt
@@ -1 +1 @@
-Type error: Unhandled error: InvalidOptionalType(Type)
+Type error: Unhandled error: InvalidOptionalType
diff --git a/dhall/tests/type-errors/unit/TextLiteralInterpolateNotText.txt b/dhall/tests/type-errors/unit/TextLiteralInterpolateNotText.txt
index feb6b2e..f1a77d9 100644
--- a/dhall/tests/type-errors/unit/TextLiteralInterpolateNotText.txt
+++ b/dhall/tests/type-errors/unit/TextLiteralInterpolateNotText.txt
@@ -1 +1 @@
-Type error: Unhandled error: InvalidTextInterpolation(Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } })
+Type error: Unhandled error: InvalidTextInterpolation
diff --git a/dhall/tests/type-errors/unit/TypeAnnotationWrong.txt b/dhall/tests/type-errors/unit/TypeAnnotationWrong.txt
index 869e9c3..045eb98 100644
--- a/dhall/tests/type-errors/unit/TypeAnnotationWrong.txt
+++ b/dhall/tests/type-errors/unit/TypeAnnotationWrong.txt
@@ -1 +1 @@
-Type error: Unhandled error: AnnotMismatch(Value@Unevaled { value: PartialExpr(NaturalLit(1)), type: Value@WHNF { value: AppliedBuiltin(Natural, [], []), type: Type } }, Value@WHNF { value: AppliedBuiltin(Bool, [], []), type: Type })
+Type error: Unhandled error: AnnotMismatch
diff --git a/dhall/tests/type-errors/unit/UnionConstructorFieldNotPresent.txt b/dhall/tests/type-errors/unit/UnionConstructorFieldNotPresent.txt
index eb3e09a..f88cb57 100644
--- a/dhall/tests/type-errors/unit/UnionConstructorFieldNotPresent.txt
+++ b/dhall/tests/type-errors/unit/UnionConstructorFieldNotPresent.txt
@@ -1 +1 @@
-Type error: Unhandled error: MissingUnionField(Label("y"), Value@WHNF { value: UnionType({Label("x"): Some(Value@Unevaled { value: AppliedBuiltin(Bool, [], []), type: Type })}), type: Type })
+Type error: Unhandled error: MissingUnionField
-- 
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