Relax constraints on ArrayBase methods

Author: jturner314

src/impl_1d.rs

@@ -12,11 +12,13 @@ use imp_prelude::*;
 
 /// # Methods For 1-D Arrays
 impl<A, S> ArrayBase<S, Ix1>
-    where S: Data<Elem=A>,
+    where S: DataRaw<Elem=A>,
 {
     /// Return an vector with the elements of the one-dimensional array.
     pub fn to_vec(&self) -> Vec<A>
-        where A: Clone,
+    where
+        A: Clone,
+        S: Data,
     {
         if let Some(slc) = self.as_slice() {
             slc.to_vec()

src/impl_2d.rs

@@ -12,12 +12,14 @@ use imp_prelude::*;
 
 /// # Methods For 2-D Arrays
 impl<A, S> ArrayBase<S, Ix2>
-    where S: Data<Elem=A>,
+    where S: DataRaw<Elem=A>,
 {
     /// Return an array view of row `index`.
     ///
     /// **Panics** if `index` is out of bounds.
     pub fn row(&self, index: Ix) -> ArrayView1<A>
+    where
+        S: Data,
     {
         self.index_axis(Axis(0), index)
     }
@@ -40,6 +42,8 @@ impl<A, S> ArrayBase<S, Ix2>
     ///
     /// **Panics** if `index` is out of bounds.
     pub fn column(&self, index: Ix) -> ArrayView1<A>
+    where
+        S: Data,
     {
         self.index_axis(Axis(1), index)
     }