From 434ede72159b5f9ea588b9ee8c361a3247aa2f35 Mon Sep 17 00:00:00 2001
From: Mauro D <mauro@stalw.art>
Date: Mon, 22 May 2023 13:07:29 +0000
Subject: [PATCH] Added Display to Error

---
 src/lib.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 0c1246c..da8a2c2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -320,3 +320,23 @@ impl<T: Display> AsRef<EhloResponse<T>> for EhloResponse<T> {
         self
     }
 }
+
+impl Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Error::NeedsMoreData { bytes_left } => {
+                write!(f, "Needs more data: {} bytes left", bytes_left)
+            }
+            Error::UnknownCommand => write!(f, "Unknown command"),
+            Error::InvalidSenderAddress => write!(f, "Invalid sender address"),
+            Error::InvalidRecipientAddress => write!(f, "Invalid recipient address"),
+            Error::SyntaxError { syntax } => write!(f, "Syntax error: {}", syntax),
+            Error::InvalidParameter { param } => write!(f, "Invalid parameter: {}", param),
+            Error::UnsupportedParameter { param } => {
+                write!(f, "Unsupported parameter: {}", param)
+            }
+            Error::ResponseTooLong => write!(f, "Response too long"),
+            Error::InvalidResponse { code } => write!(f, "Invalid response: {}", code),
+        }
+    }
+}