more unused fixes

Author: Jason Ramapuram

src/array.rs

@@ -119,9 +119,10 @@ impl Array {
     /// # Examples
     ///
     /// ```
-    /// use arrayfire::{Array, Dim4};
+    /// use arrayfire::{Array, Dim4, print};
     /// let values: &[f32] = &[1.0, 2.0, 3.0];
     /// let indices = Array::new(values, Dim4::new(&[3, 1, 1, 1])).unwrap();
+    /// print(&indices).unwrap();
     /// ```
     #[allow(unused_mut)]
     pub fn new<T: HasAfEnum>(slice: &[T], dims: Dim4) -> Result<Array, AfError> {

src/index.rs

@@ -160,7 +160,7 @@ pub fn index<T: Copy>(input: &Array, seqs: &[Seq<T>]) -> Result<Array, AfError>
 /// let a = randu::<f32>(dims).unwrap();
 /// println!("Grab last row of the random matrix");
 /// print(&a);
-/// print(&row(&a, 4).unwrap());
+/// print(&row(&a, 4).unwrap()).unwrap();
 /// ```
 #[allow(dead_code)]
 pub fn row(input: &Array, row_num: u64) -> Result<Array, AfError> {
@@ -355,7 +355,7 @@ pub fn assign_seq<T: Copy>(lhs: &Array, seqs: &[Seq<T>], rhs: &Array) -> Result<
 /// idxrs.set_index(&seq4gen, 1, Some(false)); // 3rd parameter indicates batch operation
 ///
 /// let sub2 = index_gen(&a, idxrs).unwrap();
-/// println!("a(indices, seq(0, 2, 1))"); print(&sub2);
+/// println!("a(indices, seq(0, 2, 1))"); print(&sub2).unwrap();
 /// // [3 3 1 1]
 /// //     0.1315     0.0470     0.5194
 /// //     0.7556     0.6789     0.8310
@@ -400,7 +400,7 @@ pub fn index_gen(input: &Array, indices: Indexer) -> Result<Array, AfError> {
 /// idxrs.set_index(&seq4gen, 1, Some(false)); // 3rd parameter indicates batch operation
 ///
 /// let sub2 = assign_gen(&a, &idxrs, &b).unwrap();
-/// println!("a(indices, seq(0, 2, 1))"); print(&sub2);
+/// println!("a(indices, seq(0, 2, 1))"); print(&sub2).unwrap();
 /// // [5 3 1 1]
 /// //     0.0000     0.2190     0.3835
 /// //     2.0000     2.0000     2.0000