From a70dcaa949f41c585f9aea5e79f2550053d8e857 Mon Sep 17 00:00:00 2001
From: Joel Kronqvist <joel.kronqvist@iki.fi>
Date: Tue, 19 Aug 2025 13:55:05 +0300
Subject: test: added boilerplate and tests for coproduct parsing, type
 checking and evaluation

---
 src/type/subst.rs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/type/subst.rs')

diff --git a/src/type/subst.rs b/src/type/subst.rs
index 18c9926..fd45005 100644
--- a/src/type/subst.rs
+++ b/src/type/subst.rs
@@ -27,6 +27,8 @@ impl Type {
 
             Arrow(a, b) => arr((*a).subst(name, value), (*b).subst(name, value)),
 
+	    SumType(a, b) => sumtype((*a).subst(name, value), (*b).subst(name, value)),
+
             List(v) => List(
                     v.into_iter()
                      .map(|t| t.subst(name, value))
-- 
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