code: function(module, exports, __webpack_require__) {
  
  	var equals = /*#__PURE__*/__webpack_require__(10);
  	
  	function _indexOf(list, a, idx) {
  	  var inf, item;
  	  // Array.prototype.indexOf doesn't exist below IE9
  	  if (typeof list.indexOf === 'function') {
  	    switch (typeof a) {
  	      case 'number':
  	        if (a === 0) {
  	          // manually crawl the list to distinguish between +0 and -0
  	          inf = 1 / a;
  	          while (idx < list.length) {
  	            item = list[idx];
  	            if (item === 0 && 1 / item === inf) {
  	              return idx;
  	            }
  	            idx += 1;
  	          }
  	          return -1;
  	        } else if (a !== a) {
  	          // NaN
  	          while (idx < list.length) {
  	            item = list[idx];
  	            if (typeof item === 'number' && item !== item) {
  	              return idx;
  	            }
  	            idx += 1;
  	          }
  	          return -1;
  	        }
  	        // non-zero numbers can utilise Set
  	        return list.indexOf(a, idx);
  	
  	      // all these types can utilise Set
  	      case 'string':
  	      case 'boolean':
  	      case 'function':
  	      case 'undefined':
  	        return list.indexOf(a, idx);
  	
  	      case 'object':
  	        if (a === null) {
  	          // null can utilise Set
  	          return list.indexOf(a, idx);
  	        }
  	    }
  	  }
  	  // anything else not covered above, defer to R.equals
  	  while (idx < list.length) {
  	    if (equals(list[idx], a)) {
  	      return idx;
  	    }
  	    idx += 1;
  	  }
  	  return -1;
  	}
  	module.exports = _indexOf;
  
  /***/ }
docs: /* 207