From f2cabc37eff3d85a42058180319926376604b7f6 Mon Sep 17 00:00:00 2001
From: Ximon Eighteen <3304436+ximon18@users.noreply.github.com>
Date: Wed, 6 Nov 2024 10:35:09 +0100
Subject: [PATCH] Impl Display for Nsec3HashError.

---
 src/validate.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/validate.rs b/src/validate.rs
index 3293df0f..37d44836 100644
--- a/src/validate.rs
+++ b/src/validate.rs
@@ -1712,6 +1712,19 @@ pub enum Nsec3HashError {
     CollisionDetected,
 }
 
+///--- Display
+
+impl std::fmt::Display for Nsec3HashError {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        match self {
+            Nsec3HashError::UnsupportedAlgorithm => f.write_str("Unsupported algorithm"),
+            Nsec3HashError::AppendError => f.write_str("Append error: out of memory?"),
+            Nsec3HashError::OwnerHashError => f.write_str("Hashing produced an invalid owner hash"),
+            Nsec3HashError::CollisionDetected => f.write_str("Hash collision detected"),
+        }
+    }
+}
+
 /// Compute an [RFC 5155] NSEC3 hash using default settings.
 ///
 /// See: [Nsec3param::default].