message: more cargo fmt
diff: @@ -79,9 +79,7 @@ use std::str::SplitWhitespace;
  use crate::io::IoError::BadMatrixMarketFile;
  pub trait MatrixMarketRead: Sized {
  - fn mm_read(
  - r: &mut SplitWhitespace,
  - ) -> Result<Self, crate::io::IoError>;
  + fn mm_read(r: &mut SplitWhitespace) -> Result<Self, crate::io::IoError>;
  }
  macro_rules! default_matrixmarket_read_impl {
  