Clippy lint fixes

Author: mulimoen

src/hl/plist/dataset_create.rs

@@ -729,7 +729,7 @@ impl DatasetCreate {
                 h5try!(H5Pget_fill_value(self.id(), dtype.id(), buf.as_mut_ptr().cast()));
                 Ok(Some(unsafe { OwnedDynValue::from_raw(tp.clone(), buf) }))
             }
-            _ => Ok(None),
+            FillValue::Undefined => Ok(None),
         }
     }
 

src/hl/plist/file_create.rs

@@ -413,7 +413,9 @@ impl FileCreateBuilder {
                     FileSpaceStrategy::PageAggregation => {
                         (H5F_fspace_strategy_t::H5F_FSPACE_STRATEGY_AGGR, 0, 0)
                     }
-                    _ => (H5F_fspace_strategy_t::H5F_FSPACE_STRATEGY_NONE, 0, 0),
+                    FileSpaceStrategy::None => {
+                        (H5F_fspace_strategy_t::H5F_FSPACE_STRATEGY_NONE, 0, 0)
+                    }
                 };
                 h5try!(H5Pset_file_space_strategy(id, strategy, persist, threshold));
             }

src/hl/selection.rs

@@ -448,7 +448,7 @@ where
     Dout: ndarray::Dimension,
 {
     fn from(slice: ndarray::SliceInfo<T, Din, Dout>) -> Self {
-        slice.deref().as_ref().iter().cloned().map(Into::into).collect::<Vec<_>>().into()
+        slice.deref().as_ref().iter().copied().map(Into::into).collect::<Vec<_>>().into()
     }
 }