fix: correctly type callback indices as an array

lib/node_modules/@stdlib/utils/map2d/docs/types/index.d.ts

@@ -49,7 +49,7 @@ type Unary<T, U, V> = ( this: V, value: T ) => U;
 * @param indices - current array element indices
 * @returns result
 */
-type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
+type Binary<T, U, V> = ( this: V, value: T, indices: Array<number> ) => U;
 
 /**
 * Callback invoked for each array element.
@@ -59,7 +59,7 @@ type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
 * @param arr - array
 * @returns result
 */
-type Ternary<T, U, V> = ( this: V, value: T, index: number, arr: Array2D<T> ) => U;
+type Ternary<T, U, V> = ( this: V, value: T, indices: Array<number>, arr: Array2D<T> ) => U;
 
 /**
 * Callback invoked for each array element.

lib/node_modules/@stdlib/utils/map2d/docs/types/test.ts

@@ -28,6 +28,17 @@ function clbk( v: number ): number {
 	return v;
 }
 
+/**
+* Callback function.
+*
+* @param v - argument
+* @param indices - element indices
+* @returns result
+*/
+function clbki( v: number, indices: Array<number> ): number {
+	return v + indices[ 0 ];
+}
+
 
 // TESTS //
 
@@ -40,6 +51,7 @@ function clbk( v: number ): number {
 
 	map2d( arr, clbk ); // $ExpectType number[][]
 	map2d( arr, clbk, {} ); // $ExpectType number[][]
+	map2d( arr, clbki ); // $ExpectType number[][]
 }
 
 // The compiler throws an error if the function is provided a first argument other than an array of arrays...

lib/node_modules/@stdlib/utils/map3d/docs/types/index.d.ts

@@ -49,7 +49,7 @@ type Unary<T, U, V> = ( this: V, value: T ) => U;
 * @param indices - current array element indices
 * @returns result
 */
-type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
+type Binary<T, U, V> = ( this: V, value: T, indices: Array<number> ) => U;
 
 /**
 * Callback invoked for each array element.
@@ -59,7 +59,7 @@ type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
 * @param arr - array
 * @returns result
 */
-type Ternary<T, U, V> = ( this: V, value: T, index: number, arr: Array3D<T> ) => U;
+type Ternary<T, U, V> = ( this: V, value: T, indices: Array<number>, arr: Array3D<T> ) => U;
 
 /**
 * Callback invoked for each array element.

lib/node_modules/@stdlib/utils/map3d/docs/types/test.ts

@@ -28,6 +28,17 @@ function clbk( v: number ): number {
 	return v;
 }
 
+/**
+* Callback function.
+*
+* @param v - argument
+* @param indices - element indices
+* @returns result
+*/
+function clbki( v: number, indices: Array<number> ): number {
+	return v + indices[ 0 ];
+}
+
 
 // TESTS //
 
@@ -40,6 +51,7 @@ function clbk( v: number ): number {
 
 	map3d( arr, clbk ); // $ExpectType number[][][]
 	map3d( arr, clbk, {} ); // $ExpectType number[][][]
+	map3d( arr, clbki ); // $ExpectType number[][][]
 }
 
 // The compiler throws an error if the function is provided a first argument other than a three-dimensional nested array...

lib/node_modules/@stdlib/utils/map4d/docs/types/index.d.ts

@@ -49,7 +49,7 @@ type Unary<T, U, V> = ( this: V, value: T ) => U;
 * @param indices - current array element indices
 * @returns result
 */
-type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
+type Binary<T, U, V> = ( this: V, value: T, indices: Array<number> ) => U;
 
 /**
 * Callback invoked for each array element.
@@ -59,7 +59,7 @@ type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
 * @param arr - array
 * @returns result
 */
-type Ternary<T, U, V> = ( this: V, value: T, index: number, arr: Array4D<T> ) => U;
+type Ternary<T, U, V> = ( this: V, value: T, indices: Array<number>, arr: Array4D<T> ) => U;
 
 /**
 * Callback invoked for each array element.

lib/node_modules/@stdlib/utils/map4d/docs/types/test.ts

@@ -28,6 +28,17 @@ function clbk( v: number ): number {
 	return v;
 }
 
+/**
+* Callback function.
+*
+* @param v - argument
+* @param indices - element indices
+* @returns result
+*/
+function clbki( v: number, indices: Array<number> ): number {
+	return v + indices[ 0 ];
+}
+
 
 // TESTS //
 
@@ -40,6 +51,7 @@ function clbk( v: number ): number {
 
 	map4d( arr, clbk ); // $ExpectType number[][][][]
 	map4d( arr, clbk, {} ); // $ExpectType number[][][][]
+	map4d( arr, clbki ); // $ExpectType number[][][][]
 }
 
 // The compiler throws an error if the function is provided a first argument other than a four-dimensional nested array...

lib/node_modules/@stdlib/utils/map5d/docs/types/index.d.ts

@@ -49,7 +49,7 @@ type Unary<T, U, V> = ( this: V, value: T ) => U;
 * @param indices - current array element indices
 * @returns result
 */
-type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
+type Binary<T, U, V> = ( this: V, value: T, indices: Array<number> ) => U;
 
 /**
 * Callback invoked for each array element.
@@ -59,7 +59,7 @@ type Binary<T, U, V> = ( this: V, value: T, index: number ) => U;
 * @param arr - array
 * @returns result
 */
-type Ternary<T, U, V> = ( this: V, value: T, index: number, arr: Array5D<T> ) => U;
+type Ternary<T, U, V> = ( this: V, value: T, indices: Array<number>, arr: Array5D<T> ) => U;
 
 /**
 * Callback invoked for each array element.

lib/node_modules/@stdlib/utils/map5d/docs/types/test.ts

@@ -28,6 +28,17 @@ function clbk( v: number ): number {
 	return v;
 }
 
+/**
+* Callback function.
+*
+* @param v - argument
+* @param indices - element indices
+* @returns result
+*/
+function clbki( v: number, indices: Array<number> ): number {
+	return v + indices[ 0 ];
+}
+
 
 // TESTS //
 
@@ -40,6 +51,7 @@ function clbk( v: number ): number {
 
 	map5d( arr, clbk ); // $ExpectType number[][][][][]
 	map5d( arr, clbk, {} ); // $ExpectType number[][][][][]
+	map5d( arr, clbki ); // $ExpectType number[][][][][]
 }
 
 // The compiler throws an error if the function is provided a first argument other than a five-dimensional nested array...