diff --git a/src/main/kotlin/gay/pizza/pork/ast/Define.kt b/src/main/kotlin/gay/pizza/pork/ast/Define.kt
deleted file mode 100644
index 3e96a4a..0000000
--- a/src/main/kotlin/gay/pizza/pork/ast/Define.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package gay.pizza.pork.ast
-
-class Define(val symbol: Symbol, val value: Expression) : Expression() {
-  override val type: NodeType = NodeType.Define
-
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
-    visitor.visitNodes(symbol, value)
-}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/ListLiteral.kt b/src/main/kotlin/gay/pizza/pork/ast/ListLiteral.kt
deleted file mode 100644
index d0b094c..0000000
--- a/src/main/kotlin/gay/pizza/pork/ast/ListLiteral.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package gay.pizza.pork.ast
-
-class ListLiteral(val items: List<Expression>) : Expression() {
-  override val type: NodeType = NodeType.ListLiteral
-
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
-    visitor.visitAll(items)
-}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Node.kt b/src/main/kotlin/gay/pizza/pork/ast/Node.kt
deleted file mode 100644
index 9919bb1..0000000
--- a/src/main/kotlin/gay/pizza/pork/ast/Node.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package gay.pizza.pork.ast
-
-abstract class Node {
-  abstract val type: NodeType
-  open fun <T> visitChildren(visitor: Visitor<T>): List<T> = emptyList()
-
-  override fun toString(): String = let { node -> buildString { Printer(this).visit(node) } }
-}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/NodeCoalescer.kt b/src/main/kotlin/gay/pizza/pork/ast/NodeCoalescer.kt
new file mode 100644
index 0000000..8fad95b
--- /dev/null
+++ b/src/main/kotlin/gay/pizza/pork/ast/NodeCoalescer.kt
@@ -0,0 +1,19 @@
+package gay.pizza.pork.ast
+
+import gay.pizza.pork.ast.nodes.*
+
+class NodeCoalescer(val handler: (Node) -> Unit) : NodeVisitor<Unit> {
+  override fun visitDefine(node: Define) = handler(node)
+  override fun visitFunctionCall(node: FunctionCall) = handler(node)
+  override fun visitReference(node: SymbolReference) = handler(node)
+  override fun visitIf(node: If) = handler(node)
+  override fun visitSymbol(node: Symbol) = handler(node)
+  override fun visitLambda(node: Lambda) = handler(node)
+  override fun visitIntLiteral(node: IntLiteral) = handler(node)
+  override fun visitBooleanLiteral(node: BooleanLiteral) = handler(node)
+  override fun visitListLiteral(node: ListLiteral) = handler(node)
+  override fun visitParentheses(node: Parentheses) = handler(node)
+  override fun visitPrefixOperation(node: PrefixOperation) = handler(node)
+  override fun visitInfixOperation(node: InfixOperation) = handler(node)
+  override fun visitProgram(node: Program) = handler(node)
+}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Visitor.kt b/src/main/kotlin/gay/pizza/pork/ast/NodeVisitor.kt
similarity index 96%
rename from src/main/kotlin/gay/pizza/pork/ast/Visitor.kt
rename to src/main/kotlin/gay/pizza/pork/ast/NodeVisitor.kt
index 6e4fdfe..a2e9cfb 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/Visitor.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/NodeVisitor.kt
@@ -1,6 +1,8 @@
 package gay.pizza.pork.ast
 
-interface Visitor<T> {
+import gay.pizza.pork.ast.nodes.*
+
+interface NodeVisitor<T> {
   fun visitDefine(node: Define): T
   fun visitFunctionCall(node: FunctionCall): T
   fun visitReference(node: SymbolReference): T
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Parentheses.kt b/src/main/kotlin/gay/pizza/pork/ast/Parentheses.kt
deleted file mode 100644
index 8b455dd..0000000
--- a/src/main/kotlin/gay/pizza/pork/ast/Parentheses.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package gay.pizza.pork.ast
-
-class Parentheses(val expression: Expression) : Expression() {
-  override val type: NodeType = NodeType.Parentheses
-
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
-    visitor.visitNodes(expression)
-}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Printer.kt b/src/main/kotlin/gay/pizza/pork/ast/Printer.kt
index 824c8e0..1022f46 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/Printer.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/Printer.kt
@@ -1,6 +1,8 @@
 package gay.pizza.pork.ast
 
-class Printer(private val buffer: StringBuilder) : Visitor<Unit> {
+import gay.pizza.pork.ast.nodes.*
+
+class Printer(private val buffer: StringBuilder) : NodeVisitor<Unit> {
   private var indent = 0
 
   private fun append(text: String) {
@@ -65,6 +67,8 @@ class Printer(private val buffer: StringBuilder) : Visitor<Unit> {
         }
         append(" ")
       }
+    } else {
+      append(" ")
     }
     append("in")
     indent++
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Program.kt b/src/main/kotlin/gay/pizza/pork/ast/Program.kt
deleted file mode 100644
index bad04fc..0000000
--- a/src/main/kotlin/gay/pizza/pork/ast/Program.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package gay.pizza.pork.ast
-
-class Program(val expressions: List<Expression>) : Node() {
-  override val type: NodeType = NodeType.Program
-
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
-    visitor.visitAll(expressions)
-}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/SymbolReference.kt b/src/main/kotlin/gay/pizza/pork/ast/SymbolReference.kt
deleted file mode 100644
index 04e4e82..0000000
--- a/src/main/kotlin/gay/pizza/pork/ast/SymbolReference.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package gay.pizza.pork.ast
-
-class SymbolReference(val symbol: Symbol) : Expression() {
-  override val type: NodeType = NodeType.SymbolReference
-
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
-    visitor.visitNodes(symbol)
-}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/BooleanLiteral.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/BooleanLiteral.kt
similarity index 62%
rename from src/main/kotlin/gay/pizza/pork/ast/BooleanLiteral.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/BooleanLiteral.kt
index 244550a..28d95b9 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/BooleanLiteral.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/BooleanLiteral.kt
@@ -1,4 +1,6 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
 
 class BooleanLiteral(val value: Boolean) : Expression() {
   override val type: NodeType = NodeType.BooleanLiteral
diff --git a/src/main/kotlin/gay/pizza/pork/ast/nodes/Define.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/Define.kt
new file mode 100644
index 0000000..0b0bb5d
--- /dev/null
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/Define.kt
@@ -0,0 +1,11 @@
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
+
+class Define(val symbol: Symbol, val value: Expression) : Expression() {
+  override val type: NodeType = NodeType.Define
+
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
+    visitor.visitNodes(symbol, value)
+}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Expression.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/Expression.kt
similarity index 52%
rename from src/main/kotlin/gay/pizza/pork/ast/Expression.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/Expression.kt
index 916bf7d..a32dfbc 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/Expression.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/Expression.kt
@@ -1,3 +1,3 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
 
 abstract class Expression : Node()
diff --git a/src/main/kotlin/gay/pizza/pork/ast/FunctionCall.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/FunctionCall.kt
similarity index 52%
rename from src/main/kotlin/gay/pizza/pork/ast/FunctionCall.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/FunctionCall.kt
index e9baee6..67ad888 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/FunctionCall.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/FunctionCall.kt
@@ -1,8 +1,11 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
 
 class FunctionCall(val symbol: Symbol, val arguments: List<Expression>) : Expression() {
   override val type: NodeType = NodeType.FunctionCall
 
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
     visitor.visitAll(listOf(symbol), arguments)
 }
diff --git a/src/main/kotlin/gay/pizza/pork/ast/If.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/If.kt
similarity index 72%
rename from src/main/kotlin/gay/pizza/pork/ast/If.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/If.kt
index 3a8b98b..39ccbe7 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/If.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/If.kt
@@ -1,4 +1,6 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
 
 class If(
   val condition: Expression,
diff --git a/src/main/kotlin/gay/pizza/pork/ast/InfixOperation.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/InfixOperation.kt
similarity index 53%
rename from src/main/kotlin/gay/pizza/pork/ast/InfixOperation.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/InfixOperation.kt
index 9d2b74c..e863664 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/InfixOperation.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/InfixOperation.kt
@@ -1,8 +1,11 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
 
 class InfixOperation(val left: Expression, val op: InfixOperator, val right: Expression) : Expression() {
   override val type: NodeType = NodeType.InfixOperation
 
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
     visitor.visitNodes(left, right)
 }
diff --git a/src/main/kotlin/gay/pizza/pork/ast/InfixOperator.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/InfixOperator.kt
similarity index 78%
rename from src/main/kotlin/gay/pizza/pork/ast/InfixOperator.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/InfixOperator.kt
index 0d015c2..776b636 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/InfixOperator.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/InfixOperator.kt
@@ -1,4 +1,4 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
 
 enum class InfixOperator(val token: String) {
   Plus("+"),
diff --git a/src/main/kotlin/gay/pizza/pork/ast/IntLiteral.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/IntLiteral.kt
similarity index 60%
rename from src/main/kotlin/gay/pizza/pork/ast/IntLiteral.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/IntLiteral.kt
index 7175336..af2e034 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/IntLiteral.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/IntLiteral.kt
@@ -1,4 +1,6 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
 
 class IntLiteral(val value: Int) : Expression() {
   override val type: NodeType = NodeType.IntLiteral
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Lambda.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/Lambda.kt
similarity index 52%
rename from src/main/kotlin/gay/pizza/pork/ast/Lambda.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/Lambda.kt
index 0b73601..0b92492 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/Lambda.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/Lambda.kt
@@ -1,8 +1,11 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
 
 class Lambda(val arguments: List<Symbol>, val expressions: List<Expression>) : Expression() {
   override val type: NodeType = NodeType.Lambda
 
-  override fun <T> visitChildren(visitor: Visitor<T>): List<T> =
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
     visitor.visitAll(arguments, expressions)
 }
diff --git a/src/main/kotlin/gay/pizza/pork/ast/nodes/ListLiteral.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/ListLiteral.kt
new file mode 100644
index 0000000..2685e99
--- /dev/null
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/ListLiteral.kt
@@ -0,0 +1,11 @@
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
+
+class ListLiteral(val items: List<Expression>) : Expression() {
+  override val type: NodeType = NodeType.ListLiteral
+
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
+    visitor.visitAll(items)
+}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/nodes/Node.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/Node.kt
new file mode 100644
index 0000000..1cfbb72
--- /dev/null
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/Node.kt
@@ -0,0 +1,12 @@
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.Printer
+import gay.pizza.pork.ast.NodeVisitor
+
+abstract class Node {
+  abstract val type: NodeType
+  open fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> = emptyList()
+
+  override fun toString(): String = let { node -> buildString { Printer(this).visit(node) } }
+}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/nodes/Parentheses.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/Parentheses.kt
new file mode 100644
index 0000000..9bb8e6c
--- /dev/null
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/Parentheses.kt
@@ -0,0 +1,11 @@
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
+
+class Parentheses(val expression: Expression) : Expression() {
+  override val type: NodeType = NodeType.Parentheses
+
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
+    visitor.visitNodes(expression)
+}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/PrefixOperation.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/PrefixOperation.kt
similarity index 68%
rename from src/main/kotlin/gay/pizza/pork/ast/PrefixOperation.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/PrefixOperation.kt
index f184d4a..24c0b3a 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/PrefixOperation.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/PrefixOperation.kt
@@ -1,4 +1,6 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
 
 class PrefixOperation(val op: PrefixOperator, val expression: Expression) : Expression() {
   override val type: NodeType = NodeType.PrefixOperation
diff --git a/src/main/kotlin/gay/pizza/pork/ast/PrefixOperator.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/PrefixOperator.kt
similarity index 65%
rename from src/main/kotlin/gay/pizza/pork/ast/PrefixOperator.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/PrefixOperator.kt
index 5da19e5..7bd9d75 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/PrefixOperator.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/PrefixOperator.kt
@@ -1,4 +1,4 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
 
 enum class PrefixOperator(val token: String) {
   Negate("!")
diff --git a/src/main/kotlin/gay/pizza/pork/ast/nodes/Program.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/Program.kt
new file mode 100644
index 0000000..1871444
--- /dev/null
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/Program.kt
@@ -0,0 +1,11 @@
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
+
+class Program(val expressions: List<Expression>) : Node() {
+  override val type: NodeType = NodeType.Program
+
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
+    visitor.visitAll(expressions)
+}
diff --git a/src/main/kotlin/gay/pizza/pork/ast/Symbol.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/Symbol.kt
similarity index 56%
rename from src/main/kotlin/gay/pizza/pork/ast/Symbol.kt
rename to src/main/kotlin/gay/pizza/pork/ast/nodes/Symbol.kt
index 5c32a1c..1cad7ae 100644
--- a/src/main/kotlin/gay/pizza/pork/ast/Symbol.kt
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/Symbol.kt
@@ -1,4 +1,6 @@
-package gay.pizza.pork.ast
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
 
 class Symbol(val id: String) : Node() {
   override val type: NodeType = NodeType.Symbol
diff --git a/src/main/kotlin/gay/pizza/pork/ast/nodes/SymbolReference.kt b/src/main/kotlin/gay/pizza/pork/ast/nodes/SymbolReference.kt
new file mode 100644
index 0000000..78816d2
--- /dev/null
+++ b/src/main/kotlin/gay/pizza/pork/ast/nodes/SymbolReference.kt
@@ -0,0 +1,11 @@
+package gay.pizza.pork.ast.nodes
+
+import gay.pizza.pork.ast.NodeType
+import gay.pizza.pork.ast.NodeVisitor
+
+class SymbolReference(val symbol: Symbol) : Expression() {
+  override val type: NodeType = NodeType.SymbolReference
+
+  override fun <T> visitChildren(visitor: NodeVisitor<T>): List<T> =
+    visitor.visitNodes(symbol)
+}
diff --git a/src/main/kotlin/gay/pizza/pork/compiler/KotlinCompiler.kt b/src/main/kotlin/gay/pizza/pork/compiler/KotlinCompiler.kt
index 311019f..1b2dd81 100644
--- a/src/main/kotlin/gay/pizza/pork/compiler/KotlinCompiler.kt
+++ b/src/main/kotlin/gay/pizza/pork/compiler/KotlinCompiler.kt
@@ -1,8 +1,9 @@
 package gay.pizza.pork.compiler
 
 import gay.pizza.pork.ast.*
+import gay.pizza.pork.ast.nodes.*
 
-class KotlinCompiler : Visitor<String> {
+class KotlinCompiler : NodeVisitor<String> {
   override fun visitDefine(node: Define): String =
     "val ${visit(node.symbol)} = ${visit(node.value)}"
 
diff --git a/src/main/kotlin/gay/pizza/pork/eval/PorkEvaluator.kt b/src/main/kotlin/gay/pizza/pork/eval/PorkEvaluator.kt
index ff2a668..2837db0 100644
--- a/src/main/kotlin/gay/pizza/pork/eval/PorkEvaluator.kt
+++ b/src/main/kotlin/gay/pizza/pork/eval/PorkEvaluator.kt
@@ -1,8 +1,9 @@
 package gay.pizza.pork.eval
 
 import gay.pizza.pork.ast.*
+import gay.pizza.pork.ast.nodes.*
 
-class PorkEvaluator(root: Scope) : Visitor<Any> {
+class PorkEvaluator(root: Scope) : NodeVisitor<Any> {
   private var currentScope: Scope = root
 
   override fun visitDefine(node: Define): Any {
diff --git a/src/main/kotlin/gay/pizza/pork/main.kt b/src/main/kotlin/gay/pizza/pork/main.kt
index a48d452..1971cf4 100644
--- a/src/main/kotlin/gay/pizza/pork/main.kt
+++ b/src/main/kotlin/gay/pizza/pork/main.kt
@@ -1,6 +1,7 @@
 package gay.pizza.pork
 
-import gay.pizza.pork.ast.Program
+import gay.pizza.pork.ast.Printer
+import gay.pizza.pork.ast.nodes.Program
 import gay.pizza.pork.eval.Arguments
 import gay.pizza.pork.eval.PorkEvaluator
 import gay.pizza.pork.eval.Scope
@@ -39,9 +40,14 @@ fun main(args: Array<String>) {
   eval(program)
 
   val exactCode = stream.tokens.joinToString("") { it.text }
-  println(exactCode)
-  println(code == exactCode)
   validateTokenSoundness(code, stream)
+  if (exactCode != code) {
+    throw RuntimeException("Token reconstruction didn't succeed.")
+  }
+
+  val generated = buildString { Printer(this).visit(program) }
+  parse(tokenize(generated))
+  println(generated)
 }
 
 fun tokenize(input: String): TokenStream =
diff --git a/src/main/kotlin/gay/pizza/pork/parse/PorkParser.kt b/src/main/kotlin/gay/pizza/pork/parse/PorkParser.kt
index ff3fc24..0425c07 100644
--- a/src/main/kotlin/gay/pizza/pork/parse/PorkParser.kt
+++ b/src/main/kotlin/gay/pizza/pork/parse/PorkParser.kt
@@ -1,6 +1,6 @@
 package gay.pizza.pork.parse
 
-import gay.pizza.pork.ast.*
+import gay.pizza.pork.ast.nodes.*
 
 class PorkParser(source: PeekableSource<Token>) {
   private val whitespaceIncludedSource = source