fix: apply suggestions from code review

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: passed
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: headlessNode

lib/node_modules/@stdlib/dstructs/named-typed-tuple/benchmark/benchmark.at.js

@@ -0,0 +1,54 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var bench = require( '@stdlib/bench' );
+var isNumber = require( '@stdlib/assert/is-number' ).isPrimitive;
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var namedtypedtuple = require( './../lib' );
+
+
+// MAIN //
+
+bench( format( '%s:at', pkg ), function benchmark( b ) {
+	var Point;
+	var out;
+	var p;
+	var i;
+
+	Point = namedtypedtuple( [ 'x', 'y' ] );
+	p = new Point( [ 1.0, -1.0 ] );
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		out = p.at( i % 2 );
+		if ( typeof out !== 'number' ) {
+			b.fail( 'should return a number' );
+		}
+	}
+	b.toc();
+	if ( !isNumber( out ) ) {
+		b.fail( 'should return a number' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/dstructs/named-typed-tuple/benchmark/benchmark.at.length.js

@@ -0,0 +1,106 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var bench = require( '@stdlib/bench' );
+var isNumber = require( '@stdlib/assert/is-number' ).isPrimitive;
+var pow = require( '@stdlib/math/base/special/pow' );
+var format = require( '@stdlib/string/format' );
+var pkg = require( './../package.json' ).name;
+var namedtypedtuple = require( './../lib' );
+
+
+// FUNCTIONS //
+
+/**
+* Creates a benchmark function.
+*
+* @private
+* @param {PositiveInteger} len - tuple length
+* @returns {Function} benchmark function
+*/
+function createBenchmark( len ) {
+	var fields;
+	var Point;
+	var p;
+	var i;
+
+	fields = [];
+	for ( i = 0; i < len+1; i++ ) {
+		fields.push( '_'+i.toString() );
+	}
+	Point = namedtypedtuple( fields );
+	p = new Point();
+
+	return benchmark;
+
+	/**
+	* Benchmark function.
+	*
+	* @private
+	* @param {Benchmark} b - benchmark instance
+	*/
+	function benchmark( b ) {
+		var out;
+		var i;
+
+		b.tic();
+		for ( i = 0; i < b.iterations; i++ ) {
+			out = p.at( i % len );
+			if ( typeof out !== 'number' ) {
+				b.fail( 'should return a number' );
+			}
+		}
+		b.toc();
+		if ( !isNumber( out ) ) {
+			b.fail( 'should return a number' );
+		}
+		b.pass( 'benchmark finished' );
+		b.end();
+	}
+}
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+	var len;
+	var min;
+	var max;
+	var f;
+	var i;
+
+	min = 1; // 10^min
+	max = 6; // 10^max
+
+	for ( i = min; i <= max; i++ ) {
+		len = pow( 10, i );
+		f = createBenchmark( len );
+		bench( format( '%s:at:len=%d', pkg, len ), f );
+	}
+}
+
+main();

lib/node_modules/@stdlib/dstructs/named-typed-tuple/lib/main.js

@@ -191,8 +191,8 @@ function factory( names, options ) { // eslint-disable-line max-lines-per-functi
 		setNonEnumerableProperty( tuple, 'fieldOf', fieldOf );
 		setNonEnumerableProperty( tuple, 'filter', filter );
 		setNonEnumerableProperty( tuple, 'find', find );
-		setNonEnumerableProperty( tuple, 'findIndex', findIndex );
 		setNonEnumerableProperty( tuple, 'findField', findField );
+		setNonEnumerableProperty( tuple, 'findIndex', findIndex );
 		setNonEnumerableProperty( tuple, 'findLast', findLast );
 		setNonEnumerableProperty( tuple, 'findLastField', findLastField );
 		setNonEnumerableProperty( tuple, 'findLastIndex', findLastIndex );
@@ -557,21 +557,21 @@ function factory( names, options ) { // eslint-disable-line max-lines-per-functi
 		}
 
 		/**
-		* Returns the last tuple element for which a provided predicate function returns a truthy value.
+		* Returns the index of the first tuple element for which a provided predicate function returns a truthy value.
 		*
 		* ## Notes
 		*
-		* -   The method iterates from right to left.
+		* -   If the predicate function never returns a truthy value, the function returns `-1`.
 		*
 		* @private
 		* @memberof tuple
 		* @param {Function} predicate - predicate function
 		* @param {*} [thisArg] - execution context
 		* @throws {TypeError} `this` must be the host tuple
 		* @throws {TypeError} first argument must be a function
-		* @returns {(number|void)} tuple element
+		* @returns {integer} tuple index or `-1`
 		*/
-		function findLast( predicate, thisArg ) {
+		function findIndex( predicate, thisArg ) {
 			var bool;
 			var i;
 			if ( this !== tuple ) { // eslint-disable-line no-invalid-this
@@ -580,33 +580,32 @@ function factory( names, options ) { // eslint-disable-line max-lines-per-functi
 			if ( !isFunction( predicate ) ) {
 				throw new TypeError( format( 'invalid argument. First argument must be a function. Value: `%s`.', predicate ) );
 			}
-			for ( i = nfields - 1; i >= 0; i-- ) {
+			for ( i = 0; i < nfields; i++ ) {
 				bool = predicate.call( thisArg, tuple[ i ], i, fields[ indices[i] ], tuple );
 				if ( bool ) {
-					return tuple[ i ];
+					return i;
 				}
 			}
+			return -1;
 		}
 
 		/**
-		* Returns the field of the last tuple element for which a provided predicate function returns a truthy value.
+		* Returns the last tuple element for which a provided predicate function returns a truthy value.
 		*
 		* ## Notes
 		*
 		* -   The method iterates from right to left.
-		* -   If the predicate function never returns a truthy value, the function returns `undefined`.
 		*
 		* @private
 		* @memberof tuple
 		* @param {Function} predicate - predicate function
 		* @param {*} [thisArg] - execution context
 		* @throws {TypeError} `this` must be the host tuple
 		* @throws {TypeError} first argument must be a function
-		* @returns {(string|void)} tuple field name or `undefined`
+		* @returns {(number|void)} tuple element
 		*/
-		function findLastField( predicate, thisArg ) {
+		function findLast( predicate, thisArg ) {
 			var bool;
-			var f;
 			var i;
 			if ( this !== tuple ) { // eslint-disable-line no-invalid-this
 				throw new TypeError( 'invalid invocation. `this` is not host tuple.' );
@@ -615,32 +614,32 @@ function factory( names, options ) { // eslint-disable-line max-lines-per-functi
 				throw new TypeError( format( 'invalid argument. First argument must be a function. Value: `%s`.', predicate ) );
 			}
 			for ( i = nfields - 1; i >= 0; i-- ) {
-				f = fields[ indices[ i ] ];
-				bool = predicate.call( thisArg, tuple[ i ], i, f, tuple );
+				bool = predicate.call( thisArg, tuple[ i ], i, fields[ indices[i] ], tuple );
 				if ( bool ) {
-					return f;
+					return tuple[ i ];
 				}
 			}
 		}
 
 		/**
-		* Returns the index of the last tuple element for which a provided predicate function returns a truthy value.
+		* Returns the field of the last tuple element for which a provided predicate function returns a truthy value.
 		*
 		* ## Notes
 		*
 		* -   The method iterates from right to left.
-		* -   If the predicate function never returns a truthy value, the function returns `-1`.
+		* -   If the predicate function never returns a truthy value, the function returns `undefined`.
 		*
 		* @private
 		* @memberof tuple
 		* @param {Function} predicate - predicate function
 		* @param {*} [thisArg] - execution context
 		* @throws {TypeError} `this` must be the host tuple
 		* @throws {TypeError} first argument must be a function
-		* @returns {integer} tuple index or `-1`
+		* @returns {(string|void)} tuple field name or `undefined`
 		*/
-		function findLastIndex( predicate, thisArg ) {
+		function findLastField( predicate, thisArg ) {
 			var bool;
+			var f;
 			var i;
 			if ( this !== tuple ) { // eslint-disable-line no-invalid-this
 				throw new TypeError( 'invalid invocation. `this` is not host tuple.' );
@@ -649,19 +648,20 @@ function factory( names, options ) { // eslint-disable-line max-lines-per-functi
 				throw new TypeError( format( 'invalid argument. First argument must be a function. Value: `%s`.', predicate ) );
 			}
 			for ( i = nfields - 1; i >= 0; i-- ) {
-				bool = predicate.call( thisArg, tuple[ i ], i, fields[ indices[i] ], tuple );
+				f = fields[ indices[ i ] ];
+				bool = predicate.call( thisArg, tuple[ i ], i, f, tuple );
 				if ( bool ) {
-					return i;
+					return f;
 				}
 			}
-			return -1;
 		}
 
 		/**
-		* Returns the index of the first tuple element for which a provided predicate function returns a truthy value.
+		* Returns the index of the last tuple element for which a provided predicate function returns a truthy value.
 		*
 		* ## Notes
 		*
+		* -   The method iterates from right to left.
 		* -   If the predicate function never returns a truthy value, the function returns `-1`.
 		*
 		* @private
@@ -672,7 +672,7 @@ function factory( names, options ) { // eslint-disable-line max-lines-per-functi
 		* @throws {TypeError} first argument must be a function
 		* @returns {integer} tuple index or `-1`
 		*/
-		function findIndex( predicate, thisArg ) {
+		function findLastIndex( predicate, thisArg ) {
 			var bool;
 			var i;
 			if ( this !== tuple ) { // eslint-disable-line no-invalid-this
@@ -681,7 +681,7 @@ function factory( names, options ) { // eslint-disable-line max-lines-per-functi
 			if ( !isFunction( predicate ) ) {
 				throw new TypeError( format( 'invalid argument. First argument must be a function. Value: `%s`.', predicate ) );
 			}
-			for ( i = 0; i < nfields; i++ ) {
+			for ( i = nfields - 1; i >= 0; i-- ) {
 				bool = predicate.call( thisArg, tuple[ i ], i, fields[ indices[i] ], tuple );
 				if ( bool ) {
 					return i;