var isSymbol = require('./isSymbol');

/** Used as references for various `Number` constants. */ var INFINITY = 1 / 0;

/**

* Converts `value` to a string key if it's not a string or symbol.
*
* @private
* @param {*} value The value to inspect.
* @returns {string|symbol} Returns the key.
*/

function toKey(value) {

if (typeof value == 'string' || isSymbol(value)) {
  return value;
}
var result = (value + '');
return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;

}

module.exports = toKey;