From cc1543421aafac336be05ac0b75cecc2da4b6818 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Mon, 5 Oct 2015 12:55:11 +0100
Subject: Split interpreter values from primitives

---
 .../interpreter/values/UnitInterpreterValue.java   | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/main/java/org/zwobble/couscous/interpreter/values/UnitInterpreterValue.java

(limited to 'src/main/java/org/zwobble/couscous/interpreter/values/UnitInterpreterValue.java')

diff --git a/src/main/java/org/zwobble/couscous/interpreter/values/UnitInterpreterValue.java b/src/main/java/org/zwobble/couscous/interpreter/values/UnitInterpreterValue.java
new file mode 100644
index 0000000..e34882b
--- /dev/null
+++ b/src/main/java/org/zwobble/couscous/interpreter/values/UnitInterpreterValue.java
@@ -0,0 +1,29 @@
+package org.zwobble.couscous.interpreter.values;
+
+import java.util.Optional;
+
+import org.zwobble.couscous.values.PrimitiveValue;
+import org.zwobble.couscous.values.PrimitiveValues;
+
+import lombok.ToString;
+
+@ToString
+public class UnitInterpreterValue implements InterpreterValue {
+    private static final ConcreteType<?> TYPE = ConcreteType.<UnitInterpreterValue>builder("Unit")
+        .build();
+    
+    public static final UnitInterpreterValue UNIT = new UnitInterpreterValue(); 
+    
+    private UnitInterpreterValue() {
+    }
+
+    @Override
+    public ConcreteType<?> getType() {
+        return TYPE;
+    }
+
+    @Override
+    public Optional<PrimitiveValue> toPrimitiveValue() {
+        return Optional.of(PrimitiveValues.UNIT);
+    }
+}
-- 
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