old_contents: 'use strict';
  
  // MODULES //
  
  var isString = require( '@stdlib/utils/is-string' ).isPrimitive;
  
  
  // MAIN //
  
  /**
  * Uncapitalizes the first character of a string.
  *
  * @param {string} str - input string
  * @throws {TypeError} must provide a string primitive
  * @returns {string} input string with first character converted lowercase
  *
  * @example
  * var out = uncapitalize( 'Last man standing' );
  * // returns  'last man standing'
  * @example
  * var out = uncapitalize( 'Presidential election' );
  * // returns 'presidential Election'
  * @example
  * var out = uncapitalize( 'JavaScript' );
  * // returns 'javaScript'
  * @example
  * var out = uncapitalize( 'Hidden Treasures' );
  * // returns 'hidden Treasures';
  */
  function uncapitalize( str ) {
  	if ( !isString( str ) ) {
  		throw new TypeError( 'invalid input argument. First argument must be a string primitive. Value: `' + str + '`.' );
  	}
  	if ( str === '' ) {
  		return '';
  	}
  	return str.charAt( 0 ).toLowerCase() + str.slice( 1 );
  } // end FUNCTION uncapitalize()
  
  
  // EXPORTS //
  
  module.exports = uncapitalize;
  
new_contents: 'use strict';
  
  // MODULES //
  
  var isString = require( '@stdlib/utils/is-string' ).isPrimitive;
  
  
  // MAIN //
  
  /**
  * Uncapitalizes the first character of a string.
  *
  * @param {string} str - input string
  * @throws {TypeError} must provide a string primitive
  * @returns {string} input string with first character converted lowercase
  *
  * @example
  * var out = uncapitalize( 'Last man standing' );
  * // returns  'last man standing'
  * @example
  * var out = uncapitalize( 'Presidential election' );
  * // returns 'presidential election'
  * @example
  * var out = uncapitalize( 'JavaScript' );
  * // returns 'javaScript'
  * @example
  * var out = uncapitalize( 'Hidden Treasures' );
  * // returns 'hidden Treasures';
  */
  function uncapitalize( str ) {
  	if ( !isString( str ) ) {
  		throw new TypeError( 'invalid input argument. First argument must be a string primitive. Value: `' + str + '`.' );
  	}
  	if ( str === '' ) {
  		return '';
  	}
  	return str.charAt( 0 ).toLowerCase() + str.slice( 1 );
  } // end FUNCTION uncapitalize()
  
  
  // EXPORTS //
  
  module.exports = uncapitalize;
  
subject: Fix example