--- a/core/src/luan/impl/FnDef.java	Thu Apr 07 00:01:10 2016 -0600
+++ b/core/src/luan/impl/FnDef.java	Thu Apr 07 15:11:52 2016 -0600
@@ -3,38 +3,22 @@
 import luan.LuanException;
 
 
-final class FnDef extends CodeImpl implements Expr {
-	final Expressions block;
+public abstract class FnDef extends CodeImpl implements Expr {
 	final int stackSize;
 	final int numArgs;
 	final boolean isVarArg;
 	final UpValue.Getter[] upValueGetters;
 
-	FnDef(Expressions block,int stackSize,int numArgs,boolean isVarArg,UpValue.Getter[] upValueGetters) {
-		this.block = block;
+	public FnDef(int stackSize,int numArgs,boolean isVarArg,UpValue.Getter[] upValueGetters) {
 		this.stackSize = stackSize;
 		this.numArgs = numArgs;
 		this.isVarArg = isVarArg;
 		this.upValueGetters = upValueGetters;
-//		fixReturns(block);
 	}
-/*
-	private static void fixReturns(Stmt stmt) {
-		if( stmt instanceof ReturnStmt ) {
-			ReturnStmt rs = (ReturnStmt)stmt;
-			rs.throwReturnException = false;
-		} else if( stmt instanceof Block ) {
-			Block b = (Block)stmt;
-			fixReturns( b.stmts[b.stmts.length-1] );
-		} else if( stmt instanceof IfStmt ) {
-			IfStmt is = (IfStmt)stmt;
-			fixReturns( is.thenStmt );
-			fixReturns( is.elseStmt );
-		}
-	}
-*/
+
 	@Override public Object eval(LuanStateImpl luan) throws LuanException {
 		return new Closure(luan,this);
 	}
 
+	public abstract Object run(LuanStateImpl luan) throws LuanException;
 }