fix: changing x[0] to x[0][0][0]

Author: Vinit-Pandit

lib/node_modules/@stdlib/array/base/broadcasted-ternary4d/docs/types/test.ts

@@ -55,7 +55,7 @@ function fcn( x: number, y: number, z: number ): number {
 	const shapes: [ Array<number>, Array<number>, Array<number>, Array<number> ] = [ [ 2, 2, 2, 2 ], [ 2, 2, 2, 2 ], [ 2, 2, 2, 2 ], [ 2, 2, 2, 2 ]];
 
 	bternary4d( [ x, y, z, out ], shapes, fcn ); // $ExpectType void
-	bternary4d( [ x[0], y, z, out ], [ shapes[ 0 ][ 2 ], shapes[ 1 ], shapes[ 2 ], shapes[ 3 ] ], fcn ); // $ExpectType void
+	bternary4d( [ x[0][0][0], y, z, out ], [ shapes[ 0 ][ 2 ], shapes[ 1 ], shapes[ 2 ], shapes[ 3 ] ], fcn ); // $ExpectType void
 }
 
 // The compiler throws an error if the function is provided a first argument which is not an array of nested arrays...