message: clippy merge match-patterns
diff: @@ -53,8 +53,8 @@ impl From<io::Error> for IoError {
  impl PartialEq for IoError {
  fn eq(&self, rhs: &Self) -> bool {
  match (&*self, rhs) {
  - (Self::BadMatrixMarketFile, Self::BadMatrixMarketFile) => true,
  - (
  + (Self::BadMatrixMarketFile, Self::BadMatrixMarketFile)
  + | (
  Self::UnsupportedMatrixMarketFormat,
  Self::UnsupportedMatrixMarketFormat,
  ) => true,
  