old_contents: 'use strict';
  
  // MODULES //
  
  var bench = require( '@stdlib/bench' );
  var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
  var pkg = require( './../package.json' ).name;
  var ltrim = require( './../lib' );
  
  
  // MAIN //
  
  bench( pkg, function benchmark( b ) {
  	var whitespace;
  	var str;
  	var out;
  	var i;
  
  	whitespace = '\\f\\n\\r\\t\\v\\u00a0\\u1680\\u180e\\u2000-\\u200a\\u2028\\u2029\\u202f\\u205f\\u3000\\ufeff';
  
  	b.tic();
  	for ( i = 0; i < b.iterations; i++ ) {
  		str = whitespace + String.fromCharCode( i%126 ) + 'eep boop';
  		out = ltrim( str );
  		if ( !isString( out ) ) {
  			b.fail( 'should return a string' );
  		}
  	}
  	b.toc();
  	if ( !isString( out ) ) {
  		b.fail( 'should return a string' );
  	}
  	b.pass( 'benchmark finished' );
  	b.end();
  });
  
new_contents: 'use strict';
  
  // MODULES //
  
  var bench = require( '@stdlib/bench' );
  var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
  var fromCodePoint = require( '@stdlib/string/from-code-point' );
  var pkg = require( './../package.json' ).name;
  var ltrim = require( './../lib' );
  
  
  // MAIN //
  
  bench( pkg, function benchmark( b ) {
  	var whitespace;
  	var str;
  	var out;
  	var i;
  
  	whitespace = '\\f\\n\\r\\t\\v\\u00a0\\u1680\\u180e\\u2000-\\u200a\\u2028\\u2029\\u202f\\u205f\\u3000\\ufeff';
  
  	b.tic();
  	for ( i = 0; i < b.iterations; i++ ) {
  		str = whitespace + fromCodePoint( i%126 ) + 'eep boop';
  		out = ltrim( str );
  		if ( !isString( out ) ) {
  			b.fail( 'should return a string' );
  		}
  	}
  	b.toc();
  	if ( !isString( out ) ) {
  		b.fail( 'should return a string' );
  	}
  	b.pass( 'benchmark finished' );
  	b.end();
  });
  
subject: Use string utility