'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var _coreJsData = require('./_coreJsData.js');

/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
  var uid = /[^.]+$/.exec(_coreJsData.default && _coreJsData.default.keys && _coreJsData.default.keys.IE_PROTO || '');
  return uid ? ('Symbol(src)_1.' + uid) : '';
}());

/**
 * Checks if `func` has its source masked.
 *
 * @private
 * @param {Function} func The function to check.
 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
 */
function isMasked(func) {
  return !!maskSrcKey && (maskSrcKey in func);
}

var _isMasked = isMasked;

exports.__moduleExports = _isMasked;
exports.default = _isMasked;
//# sourceMappingURL=_isMasked.js.map