From 851f41b686843cf1758e21cd90162be6ab73c6d1 Mon Sep 17 00:00:00 2001
From: Ronno Das <ronnodas@gmail.com>
Date: Wed, 5 Feb 2025 11:06:47 +0100
Subject: [PATCH] Add `Error` impls for error types

---
 src/lib.rs       | 2 ++
 src/raw.rs       | 2 ++
 src/types/mod.rs | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index fbb1a6c..88c2786 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -88,6 +88,8 @@ impl Display for RetrievalError {
     }
 }
 
+impl std::error::Error for RetrievalError {}
+
 impl From<TypeError> for RetrievalError {
     fn from(err: TypeError) -> Self {
         Self::TypeError(err)
diff --git a/src/raw.rs b/src/raw.rs
index 38a8bb2..cbbd87f 100644
--- a/src/raw.rs
+++ b/src/raw.rs
@@ -75,6 +75,8 @@ impl fmt::Display for ParseError {
     }
 }
 
+impl std::error::Error for ParseError {}
+
 /// Error conditions that might occur during initial parsing of the
 /// bibliography.
 ///
diff --git a/src/types/mod.rs b/src/types/mod.rs
index fab150b..ee232f4 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -43,6 +43,8 @@ impl fmt::Display for TypeError {
     }
 }
 
+impl std::error::Error for TypeError {}
+
 /// Error conditions that might occur while parsing the chunks in a field into a specific
 /// [`Type`].
 ///