Remove undocumented zero_index method from Dimension

Author: jturner314

src/dimension/dimension_trait.rs

@@ -158,12 +158,6 @@ pub trait Dimension : Clone + Eq + Debug + Send + Sync + Default +
     /// **Panics** if `Self` has a fixed size that is not `ndim`.
     fn zeros(ndim: usize) -> Self;
 
-    #[doc(hidden)]
-    // Return an index of same dimensionality
-    fn zero_index(&self) -> Self {
-        Self::default()
-    }
-
     #[doc(hidden)]
     #[inline]
     fn first_index(&self) -> Option<Self> {
@@ -815,11 +809,6 @@ impl Dimension for IxDyn
         self
     }
 
-    #[inline]
-    fn zero_index(&self) -> Self {
-        IxDyn::zeros(self.ndim())
-    }
-
     #[inline]
     fn zeros(ndim: usize) -> Self {
         IxDyn::zeros(ndim)

src/indexes.rs

@@ -31,7 +31,7 @@ pub fn indices<E>(shape: E) -> Indices<E::Dim>
 {
     let dim = shape.into_dimension();
     Indices {
-        start: dim.zero_index(),
+        start: E::Dim::zeros(dim.ndim()),
         dim: dim,
     }
 }
@@ -210,7 +210,7 @@ pub fn indices_iter_f<E>(shape: E) -> IndicesIterF<E::Dim>
     where E: IntoDimension,
 {
     let dim = shape.into_dimension();
-    let zero = dim.zero_index();
+    let zero = E::Dim::zeros(dim.ndim());
     IndicesIterF {
         has_remaining: dim.size_checked() != Some(0),
         index: zero,