message: Added methods to MemoryView
diff: pub use std::cell::Cell;
  use core::cmp::Ordering;
  -use core::fmt::{self, Debug, Display};
  -use core::mem;
  -use core::ops::{Deref, DerefMut};
  -use core::ptr;
  +use core::fmt::{self, Debug};
  use std::fmt::Pointer;
  /// A mutable Wasm-memory location.
  