bench: use string interpolation in stats/max-by

PR-URL: stdlib-js#10703
Ref: stdlib-js#8647

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Om-A-osc

lib/node_modules/@stdlib/stats/max-by/benchmark/benchmark.assign.js

@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var zeros = require( '@stdlib/array/zeros' );
 var ndarray = require( '@stdlib/ndarray/base/ctor' );
 var pkg = require( './../package.json' ).name;
@@ -115,7 +116,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':assign:dtype='+options.dtype+',len='+len, f );
+		bench( format( '%s:assign:dtype=%s,len=%d', pkg, options.dtype, len ), f );
 	}
 }
 

lib/node_modules/@stdlib/stats/max-by/benchmark/benchmark.js

@@ -24,6 +24,7 @@ var bench = require( '@stdlib/bench' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var uniform = require( '@stdlib/random/array/uniform' );
+var format = require( '@stdlib/string/format' );
 var ndarray = require( '@stdlib/ndarray/base/ctor' );
 var pkg = require( './../package.json' ).name;
 var maxBy = require( './../lib' );
@@ -109,7 +110,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':dtype='+options.dtype+',len='+len, f );
+		bench( format( '%s:dtype=%s,len=%d', pkg, options.dtype, len ), f );
 	}
 }