From 86236bf766178ed74881eada709b3447a2247dec Mon Sep 17 00:00:00 2001
From: Darius Rad <darius@bluespec.com>
Date: Tue, 21 Jan 2025 17:18:49 -0500
Subject: [PATCH] Add Connectable instance for connecting ReadOnly to WriteOnly

---
 src/Libraries/Base1/Connectable.bs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Libraries/Base1/Connectable.bs b/src/Libraries/Base1/Connectable.bs
index 30882459a..9968f301e 100644
--- a/src/Libraries/Base1/Connectable.bs
+++ b/src/Libraries/Base1/Connectable.bs
@@ -152,3 +152,14 @@ instance Connectable Action Action
              ==> action
                     a1
                     a2
+
+instance Connectable (ReadOnly a) (WriteOnly a) where
+    mkConnection :: (IsModule m c) => (ReadOnly a) -> (WriteOnly a) -> (m Empty)
+    mkConnection ro wo =
+      module
+        rules
+          {-# ASSERT fire when enabled #-}
+          {-# ASSERT no implicit conditions #-}
+          "write":
+            when True
+             ==> wo._write(ro._read)