feat: add default indexing data type

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---

Author: kgryte

lib/node_modules/@stdlib/ndarray/defaults/README.md

@@ -63,6 +63,7 @@ The returned object has the following properties:
     -   **signed_integer**: default signed integer data type.
     -   **unsigned_integer**: default unsigned integer data type.
     -   **boolean**: default boolean data type.
+    -   **indexing**: default indexing data type.
 
 -   **order**: default memory layout.
 

lib/node_modules/@stdlib/ndarray/defaults/docs/repl.txt

@@ -40,6 +40,9 @@
     out.dtypes.boolean: string
         Default boolean data type.
 
+    out.dtypes.indexing: string
+        Default indexing data type.
+
     out.order: string
         Default memory layout.
 

lib/node_modules/@stdlib/ndarray/defaults/docs/types/index.d.ts

@@ -71,6 +71,11 @@ interface DataTypes {
 	* Default boolean value data type.
 	*/
 	boolean: 'bool';
+
+	/**
+	* Default indexing data type.
+	*/
+	indexing: 'int32';
 }
 
 /**

lib/node_modules/@stdlib/ndarray/defaults/lib/get.js

@@ -37,6 +37,7 @@ var HASH = {
 	'dtypes.signed_integer': DEFAULTS.dtypes.signed_integer,
 	'dtypes.unsigned_integer': DEFAULTS.dtypes.unsigned_integer,
 	'dtypes.boolean': DEFAULTS.dtypes.boolean,
+	'dtypes.indexing': DEFAULTS.dtypes.indexing,
 	'order': DEFAULTS.order,
 	'casting': DEFAULTS.casting,
 	'index_mode': DEFAULTS.index_mode

lib/node_modules/@stdlib/ndarray/defaults/lib/main.js

@@ -42,7 +42,8 @@ function defaults() {
 			'integer': 'int32',
 			'signed_integer': 'int32',
 			'unsigned_integer': 'uint32',
-			'boolean': 'bool'
+			'boolean': 'bool',
+			'indexing': 'int32'
 		},
 
 		// Memory layout:

lib/node_modules/@stdlib/ndarray/defaults/test/test.get.js

@@ -55,6 +55,7 @@ tape( 'if provided a recognized setting, the function returns a default value',
 		'dtypes.signed_integer',
 		'dtypes.unsigned_integer',
 		'dtypes.boolean',
+		'dtypes.indexing',
 
 		'casting',
 		'order',
@@ -71,6 +72,7 @@ tape( 'if provided a recognized setting, the function returns a default value',
 		DEFAULTS.dtypes.signed_integer,
 		DEFAULTS.dtypes.unsigned_integer,
 		DEFAULTS.dtypes.boolean,
+		DEFAULTS.dtypes.indexing,
 
 		DEFAULTS.casting,
 		DEFAULTS.order,

lib/node_modules/@stdlib/ndarray/defaults/test/test.main.js

@@ -69,6 +69,9 @@ tape( 'the function returns default ndarray settings', function test( t ) {
 	t.strictEqual( hasOwnProp( o.dtypes, 'boolean' ), true, 'has property' );
 	t.strictEqual( typeof o.dtypes.boolean, 'string', 'returns expected value' );
 
+	t.strictEqual( hasOwnProp( o.dtypes, 'indexing' ), true, 'has property' );
+	t.strictEqual( typeof o.dtypes.indexing, 'string', 'returns expected value' );
+
 	t.strictEqual( hasOwnProp( o, 'order' ), true, 'has property' );
 	t.strictEqual( typeof o.order, 'string', 'returns expected value' );