From 15631b0480fb125f7dd767d8af7c55848e8f7f9d Mon Sep 17 00:00:00 2001
From: ltitanb <lorenzo@gattaca.com>
Date: Thu, 28 Aug 2025 13:23:16 +0100
Subject: [PATCH 1/2] impl `Error`

---
 src/lib.rs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 66223cb..e552050 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -69,3 +69,31 @@ pub enum Error {
         expected: usize,
     },
 }
+
+impl core::fmt::Display for Error {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        match self {
+            Error::OutOfBounds { i, len } => {
+                write!(f, "Index out of bounds: index {}, length {}", i, len)
+            }
+            Error::MissingLengthInformation => {
+                write!(
+                    f,
+                    "BitList does not have a set bit, length cannot be determined"
+                )
+            }
+            Error::ExcessBits => {
+                write!(f, "BitList has excess bits set to true")
+            }
+            Error::InvalidByteCount { given, expected } => {
+                write!(
+                    f,
+                    "Invalid byte count: got {}, expected {}",
+                    given, expected
+                )
+            }
+        }
+    }
+}
+
+impl core::error::Error for Error {}

From 99e40702bf9861b21177cda204f28baa4af143d5 Mon Sep 17 00:00:00 2001
From: ltitanb <lorenzo@gattaca.com>
Date: Thu, 28 Aug 2025 13:25:51 +0100
Subject: [PATCH 2/2] small change

---
 src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index e552050..24a7c2a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -88,7 +88,7 @@ impl core::fmt::Display for Error {
             Error::InvalidByteCount { given, expected } => {
                 write!(
                     f,
-                    "Invalid byte count: got {}, expected {}",
+                    "Invalid byte count: given {}, expected {}",
                     given, expected
                 )
             }