Checkpoint

src/prolog/ast/terms/AnonymousVariable.kt

@@ -0,0 +1,17 @@
+package prolog.ast.terms
+
+import io.Logger
+
+class AnonymousVariable(id: Int) : Variable("_$id") {
+    companion object {
+        private var counter = 0
+        fun create(): AnonymousVariable {
+            val id = counter
+            counter++
+            Logger.debug("Creating anonymous variable: _${id}")
+            return AnonymousVariable(id)
+        }
+    }
+
+    override fun toString(): String = "_"
+}