From 52bee6a0e36527b53394bd281247431f162095d1 Mon Sep 17 00:00:00 2001
From: Vyacheslav Matyukhin <me@berekuk.ru>
Date: Fri, 29 Jul 2022 23:35:11 +0400
Subject: [PATCH] fix EvVoid ts conversion

---
 packages/squiggle-lang/src/js/rescript_interop.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/squiggle-lang/src/js/rescript_interop.ts b/packages/squiggle-lang/src/js/rescript_interop.ts
index 80548a7f..3dca8165 100644
--- a/packages/squiggle-lang/src/js/rescript_interop.ts
+++ b/packages/squiggle-lang/src/js/rescript_interop.ts
@@ -18,6 +18,7 @@ import { tagged, tag } from "./types";
 
 // Raw rescript types.
 export type rescriptExport =
+  | 0 // EvVoid
   | {
       TAG: 0; // EvArray
       _0: rescriptExport[];
@@ -140,6 +141,10 @@ export function convertRawToTypescript(
   result: rescriptExport,
   environment: environment
 ): squiggleExpression {
+  if (typeof result === "number") {
+    // EvVoid
+    return tag("void", "");
+  }
   switch (result.TAG) {
     case 0: // EvArray
       return tag(