Support ignore target

1 files changed, 17 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/stackir/StackCompilerAssignTests.java b/src/test/java/org/shedlang/compiler/stackir/StackCompilerAssignTests.java
index b717648a..7c49af0a 100644
--- a/src/test/java/org/shedlang/compiler/stackir/StackCompilerAssignTests.java
+++ b/src/test/java/org/shedlang/compiler/stackir/StackCompilerAssignTests.java
@@ -11,6 +11,23 @@ import static org.zwobble.precisely.Matchers.isSequence;
 
 public class StackCompilerAssignTests {
     @Test
+    public void targetIgnoreIsCompiledToDiscard() {
+        var node = Typed.assign(
+            Typed.targetIgnore(),
+            Typed.reference("x")
+        );
+        var context = StackCompiler.Context.EMPTY
+            .addShedVariable("x");
+
+        var result = StackCompiler.compileFunctionStatement(node, context);
+
+        assertThat(result.instructions(), isSequence(
+            isLocalLoadInstruction("x__0"),
+            isDiscardInstruction()
+        ));
+    }
+
+    @Test
     public void whenTargetIsReassignThenExpressionIsEvaluatedAndStoredAsVar() {
         var node = Typed.assign(
             Typed.targetReassign("x"),