From 6a87e8db28b486fc58eef26f1eded516d737626a Mon Sep 17 00:00:00 2001
From: Umur Ozkul <umur@hightechmind.io>
Date: Mon, 25 Apr 2022 09:20:27 +0200
Subject: [PATCH] index.ts FAILURE!!!!

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

diff --git a/packages/squiggle-lang/src/js/index.ts b/packages/squiggle-lang/src/js/index.ts
index 6ff022e0..c8731b0f 100644
--- a/packages/squiggle-lang/src/js/index.ts
+++ b/packages/squiggle-lang/src/js/index.ts
@@ -81,10 +81,13 @@ function tag<a, b>(x: a, y: b): tagged<a, b> {
   return { tag: x, value: y };
 }
 
+export abstract class internalCode { protected opaque!: any }; /* simulate opaque types */
+
 export type squiggleExpression =
   | tagged<"symbol", string>
   | tagged<"string", string>
   | tagged<"call", string>
+  | tagged<"lambda", [string[], internalCode]>
   | tagged<"array", squiggleExpression[]>
   | tagged<"boolean", boolean>
   | tagged<"distribution", Distribution>
@@ -115,6 +118,8 @@ function createTsExport(
       return tag("boolean", x.value);
     case "EvCall":
       return tag("call", x.value);
+    case "EvLambda":
+      return tag("lambda", x.value);
     case "EvDistribution":
       return tag("distribution", new Distribution(x.value, sampEnv));
     case "EvNumber":