Make VRRPv2Error std::error::Error trait compliant.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/vrrpv2.rs b/src/vrrpv2.rs
index f8445fb..ca8eaec 100644
--- a/src/vrrpv2.rs
+++ b/src/vrrpv2.rs
@@ -1,3 +1,4 @@
+use std::fmt::Display;
 use std::io::Read;
 use std::io::{self, Cursor};
 use std::net::Ipv4Addr;
@@ -44,6 +45,18 @@ pub enum VRRPv2Error {
     ParseError,
 }
 
+impl Display for VRRPv2Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::InvalidAuthType => write!(f, "Invalid Auth Type"),
+            Self::InvalidChecksum => write!(f, "Invalid Checksum"),
+            Self::InvalidType => write!(f, "Invalid Type"),
+            Self::InvalidVersion => write!(f, "Invalid Version"),
+            Self::ParseError => write!(f, "Parse Error"),
+        }
+    }
+}
+
 #[derive(Debug, PartialEq)]
 pub enum VRRPv2AuthType {
     VRRPv2AuthNoAuth = 0x00,