bench: refactor to use string interpolation in array/base/take-indexed2

PR-URL: #9049
Ref: #8647
Reviewed-by: Athan Reines <[email protected]>

Author: DivitJain26

lib/node_modules/@stdlib/array/base/take-indexed2/benchmark/benchmark.js

@@ -23,13 +23,14 @@
 var bench = require( '@stdlib/bench' );
 var isArrayArray = require( '@stdlib/assert/is-array-array' );
 var zeroTo = require( '@stdlib/array/base/zero-to' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var take2 = require( './../lib' );
 
 
 // MAIN //
 
-bench( pkg+'::copy:len=100', function benchmark( b ) {
+bench( format( '%s::copy:len=%d', pkg, 100 ), function benchmark( b ) {
 	var x;
 	var i;
 	var v;

lib/node_modules/@stdlib/array/base/take-indexed2/benchmark/benchmark.length.js

@@ -25,6 +25,7 @@ var pow = require( '@stdlib/math/base/special/pow' );
 var filledBy = require( '@stdlib/array/base/filled-by' );
 var discreteUniform = require( '@stdlib/random/base/discrete-uniform' ).factory;
 var isArrayArray = require( '@stdlib/assert/is-array-array' );
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var take2 = require( './../lib' );
 
@@ -92,7 +93,7 @@ function main() {
 	for ( i = min; i <= max; i++ ) {
 		len = pow( 10, i );
 		f = createBenchmark( len );
-		bench( pkg+':len='+len, f );
+		bench( format( '%s:len=%d', pkg, len ), f );
 	}
 }