fix: ensure type parameter can be inferred

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---

Author: kgryte

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

@@ -111,7 +111,7 @@ type Predicate<T, U, ThisArg> = Nullary<ThisArg> | Unary<T, ThisArg> | Binary<T,
 * var out = find( [ x, sv ], predicate );
 * // returns 2.0
 */
-declare function find<T = unknown, U extends typedndarray<T> = typedndarray<T>, V = unknown, ThisArg = unknown >( arrays: [ U, typedndarray<V> ], predicate: Predicate<T, U, ThisArg>, thisArg?: ThisParameterType<Predicate<T, U, ThisArg>> ): T | V;
+declare function find<T = unknown, U extends typedndarray<T> = typedndarray<T>, V = unknown, ThisArg = unknown >( arrays: [ typedndarray<T>, typedndarray<V> ], predicate: Predicate<T, U, ThisArg>, thisArg?: ThisParameterType<Predicate<T, U, ThisArg>> ): T | V;
 
 
 // EXPORTS //

lib/node_modules/@stdlib/ndarray/base/find/docs/types/test.ts

@@ -39,7 +39,9 @@ function clbk( v: any ): boolean {
 
 // The function returns a number...
 {
-	const x = zeros( [ 2, 2 ] );
+	const x = zeros( [ 2, 2 ], {
+		'dtype': 'float64'
+	});
 	const sv = scalar2ndarray( NaN, {
 		'dtype': 'float64'
 	});
@@ -71,7 +73,9 @@ function clbk( v: any ): boolean {
 
 // The compiler throws an error if the function is provided a second argument which is not a callback function...
 {
-	const x = zeros( [ 2, 2 ] );
+	const x = zeros( [ 2, 2 ], {
+		'dtype': 'float64'
+	});
 	const sv = scalar2ndarray( NaN, {
 		'dtype': 'float64'
 	});
@@ -97,7 +101,9 @@ function clbk( v: any ): boolean {
 
 // The compiler throws an error if the function is provided an unsupported number of arguments...
 {
-	const x = zeros( [ 2, 2 ] );
+	const x = zeros( [ 2, 2 ], {
+		'dtype': 'float64'
+	});
 	const sv = scalar2ndarray( NaN, {
 		'dtype': 'float64'
 	});