pub fn iter(&self) -> Iter<T> {
        Iter {
            windows: self.indices.windows(2),
            data: &self.data,
        }
    }
/// Returns an iterator over `Nested` elements.
Returns an iterator over `Nested` elements.
Returns an iterator over ` Nested ` elements .
pub fn iter(&self) -> Iter<T> {
        Iter {
            windows: self.indices.windows(2),
            data: &self.data,
        }
    }
pub fn iter ( & self ) -> Iter < T > { Iter { windows : self . indices . windows ( 2 ) , data : & self . data , } }
Returns an iterator over `Nested` elements.
Returns an iterator over ` Nested ` elements .
&self
&self