feat!: refactor declarations to use generics

Author: kgryte

lib/node_modules/@stdlib/number/float64/base/to-words/docs/types/index.d.ts

@@ -16,7 +16,7 @@
 * limitations under the License.
 */
 
-// TypeScript Version: 2.0
+// TypeScript Version: 4.1
 
 /// <reference types="@stdlib/types"/>
 
@@ -58,7 +58,7 @@ interface ToWords {
 	* var bool = ( w === out );
 	* // returns true
 	*/
-	assign( x: number, out: Collection, stride: number, offset: number ): Collection; // tslint-disable-line max-line-length
+	assign<T = any>( x: number, out: Collection<T>, stride: number, offset: number ): Collection<T>; // tslint-disable-line max-line-length
 }
 
 /**

lib/node_modules/@stdlib/number/float64/base/to-words/docs/types/test.ts

@@ -45,7 +45,7 @@ import toWords = require( './index' );
 {
 	const out = [ 0.0, 0.0 ];
 
-	toWords.assign( 3.14e-319, out, 1, 0 ); // $ExpectType Collection
+	toWords.assign( 3.14e-319, out, 1, 0 ); // $ExpectType Collection<number>
 }
 
 // The compiler throws an error if the `assign` method is provided a first argument which is not a number...