Introduce FreeVariables collection type

1 files changed, 2 insertions, 2 deletions

diff --git a/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java b/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
index 4c1cc6e2..14e71249 100644
--- a/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
+++ b/src/test/java/org/shedlang/compiler/stackir/InstructionSerializerTests.java
@@ -1,6 +1,7 @@
 package org.shedlang.compiler.stackir;
 
 import org.junit.jupiter.api.Test;
+import org.shedlang.compiler.ast.typed.FreeVariables;
 import org.shedlang.compiler.sources.Sources;
 import org.shedlang.compiler.stackir.instructions.DefineFunctionInstruction;
 import org.shedlang.compiler.stackir.instructions.Instruction;
@@ -9,7 +10,6 @@ import org.shedlang.compiler.types.NamespaceName;
 
 import java.util.List;
 
-import static org.shedlang.compiler.util.Sets.orderedSetOf;
 import static org.zwobble.precisely.AssertThat.assertThat;
 import static org.zwobble.precisely.Matchers.equalTo;
 
@@ -30,7 +30,7 @@ public class InstructionSerializerTests {
             "f",
             List.of(Instructions.param("p1"), Instructions.param("p2")),
             List.of(Instructions.param("n1"), Instructions.param("n2")),
-            orderedSetOf("fv1", "fv2"),
+            FreeVariables.of("fv1", "fv2"),
             List.of(
                 Instructions.pushBool(true),
                 Instructions.pushBool(false)