message: Make CsMatBase cloneable
diff: @@ -75,7 +75,7 @@ pub use self::csmat::CompressedStorage;
  /// [`vstack`]: fn.vstack.html
  /// [`hstack`]: fn.hstack.html
  /// [`bmat`]: fn.bmat.html
  -#[derive(PartialEq, Debug, Serialize, Deserialize)]
  +#[derive(PartialEq, Debug, Clone, Serialize, Deserialize)]
  pub struct CsMatBase<N, I, IptrStorage, IndStorage, DataStorage>
  where
  I: SpIndex,
  