From 938b1228140783f01b05563585ffa26d11eacc99 Mon Sep 17 00:00:00 2001
From: Gygaxis Vainhardt <gygaxis@zingolabs.org>
Date: Thu, 8 Dec 2022 16:35:49 -0400
Subject: [PATCH] Replace type alias with zero-size struct

Co-authored-by: Daira Hopwood <daira@jacaranda.org>
---
 src/builder.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/builder.rs b/src/builder.rs
index d3f4332f..f69a3cb6 100644
--- a/src/builder.rs
+++ b/src/builder.rs
@@ -55,7 +55,8 @@ pub enum SpendError {
 }
 
 /// The only error that can occur here is if outputs are disabled for this builder.
-pub type OutputsDisabled = ();
+#[derive(Debug, PartialEq, Eq)]
+pub struct OutputsDisabled;
 
 impl From<halo2_proofs::plonk::Error> for BuildError {
     fn from(e: halo2_proofs::plonk::Error) -> Self {