From 8bc33c16e90ff6e1d2b4ddc7317a91190c9d8540 Mon Sep 17 00:00:00 2001
From: FintanH
Date: Sat, 3 Aug 2019 18:54:01 +0100
Subject: Simplify Const checking logic

---
 dhall/src/phase/typecheck.rs | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

(limited to 'dhall/src')

diff --git a/dhall/src/phase/typecheck.rs b/dhall/src/phase/typecheck.rs
index 3bff7ca..75f78ac 100644
--- a/dhall/src/phase/typecheck.rs
+++ b/dhall/src/phase/typecheck.rs
@@ -687,17 +687,13 @@ fn type_last_layer(
             };
 
             // Const values must match for the Records
-            let k = match (k_l, k_r) {
-                (dhall_syntax::Const::Type, dhall_syntax::Const::Type) => dhall_syntax::Const::Type,
-                (dhall_syntax::Const::Kind, dhall_syntax::Const::Kind) => dhall_syntax::Const::Kind,
-                (dhall_syntax::Const::Sort, dhall_syntax::Const::Sort) => dhall_syntax::Const::Sort,
-                (l_mismatch, r_mismatch) =>
-                    return Err(mkerr(RecordTypeMismatch(
-                        Typed::from_const(l_mismatch),
-                        Typed::from_const(r_mismatch),
-                        l.clone(),
-                        r.clone(),
-                    ))),
+            let k = if k_l == k_r { k_l } else {
+                return Err(mkerr(RecordTypeMismatch(
+                    Typed::from_const(k_l),
+                    Typed::from_const(k_r),
+                    l.clone(),
+                    r.clone(),
+                )))
             };
 
             // Extract the LHS record type
-- 
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