refactor: use accessor utility

Author: kgryte

lib/node_modules/@stdlib/ndarray/dispatch-by/lib/main.js

@@ -28,6 +28,7 @@ var isFunction = require( '@stdlib/assert/is-function' );
 var isCollection = require( '@stdlib/assert/is-collection' );
 var isndarrayLike = require( '@stdlib/assert/is-ndarray-like' );
 var format = require( '@stdlib/string/format' );
+var getDType = require( '@stdlib/ndarray/dtype' );
 var resolveEnum = require( '@stdlib/ndarray/base/dtype-resolve-enum' );
 var indexOfTypes = require( './index_of_types.js' );
 
@@ -209,7 +210,7 @@ function dispatchBy( fcns, types, data, nargs, nin, nout ) {
 				}
 			}
 			arrays.push( v );
-			dtypes.push( resolveEnum( v.dtype ) );
+			dtypes.push( resolveEnum( getDType( v ) ) );
 		}
 		// Resolve the ndarray function satisfying the input array types:
 		idx = indexOfTypes( nfcns, narrays, types, narrays, 1, 0, dtypes, 1, 0 ); // eslint-disable-line max-len