From f2e8c414993d5c9fcc63f5c035f755712c01dad0 Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Sat, 25 Jan 2020 10:20:53 +0000
Subject: Enable comparing Closures for equality

---
 dhall/src/semantics/phase/normalize.rs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

(limited to 'dhall/src/semantics/phase/normalize.rs')

diff --git a/dhall/src/semantics/phase/normalize.rs b/dhall/src/semantics/phase/normalize.rs
index 066a004..7f547d7 100644
--- a/dhall/src/semantics/phase/normalize.rs
+++ b/dhall/src/semantics/phase/normalize.rs
@@ -884,17 +884,20 @@ pub(crate) fn normalize_tyexpr_whnf(tye: &TyExpr, env: &NzEnv) -> Value {
     let kind = match tye.kind() {
         TyExprKind::Var(var) => return env.lookup_val(var),
         TyExprKind::Expr(ExprKind::Lam(binder, annot, body)) => {
+            let annot = annot.normalize_whnf(env);
             ValueKind::LamClosure {
                 binder: Binder::new(binder.clone()),
-                annot: annot.normalize_whnf(env),
-                closure: Closure::new(env, body.clone()),
+                annot: annot.clone(),
+                closure: Closure::new(annot, env, body.clone()),
             }
         }
         TyExprKind::Expr(ExprKind::Pi(binder, annot, body)) => {
+            let annot = annot.normalize_whnf(env);
+            let closure = Closure::new(annot.clone(), env, body.clone());
             ValueKind::PiClosure {
                 binder: Binder::new(binder.clone()),
-                annot: annot.normalize_whnf(env),
-                closure: Closure::new(env, body.clone()),
+                annot,
+                closure,
             }
         }
         TyExprKind::Expr(ExprKind::Let(_, None, val, body)) => {
-- 
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