Add WASM code gen for push-unit instruction

1 files changed, 3 insertions, 3 deletions

diff --git a/src/main/java/org/shedlang/compiler/backends/wasm/WasmCodeGen.java b/src/main/java/org/shedlang/compiler/backends/wasm/WasmCodeGen.java
index 443393d1..e71d1f15 100644
--- a/src/main/java/org/shedlang/compiler/backends/wasm/WasmCodeGen.java
+++ b/src/main/java/org/shedlang/compiler/backends/wasm/WasmCodeGen.java
@@ -36,9 +36,9 @@ public class WasmCodeGen {
             case PushStringInstruction pushStringInstruction -> {
                 throw new UnsupportedOperationException("TODO");
             }
-            case PushUnitInstruction pushUnitInstruction -> {
-                throw new UnsupportedOperationException("TODO");
-            }
+            case PushUnitInstruction pushUnit ->
+                context.addInstruction(new WasmI32Const(0));
+
             case ReturnInstruction returnInstruction -> {
                 throw new UnsupportedOperationException("TODO");
             }