sl-std: impl Display for bitreader::Error

crates/sl-std/src/bitreader.rs

@@ -1,3 +1,5 @@
+use std::fmt;
+
 /// Wraps a byte buffer to allow reading individual bits
 #[derive(Debug)]
 pub struct BitReader<'a> {
@@ -114,6 +116,16 @@ impl<'a> BitReader<'a> {
     }
 }
 
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::TooLargeRead => "attempting to read too many bits at once".fmt(f),
+            Self::UnalignedRead => "attempting to read bytes from an unaligned position".fmt(f),
+            Self::UnexpectedEOF => "unexpected end of file".fmt(f),
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::BitReader;