public MyVoid VisitLiteralExpr(Expr.Literal expr) { return(null); }
public object VisitLiteralExpr(Expr.Literal expr) { return(expr.value); }
public MyVoid VisitLiteralExpr(Expr.Literal expr) { return(null); }
public object VisitLiteralExpr(Expr.Literal expr) { return(expr.value); }