code: function distinctUntilKeyChanged(key, compare) {
      return Object(_distinctUntilChanged__WEBPACK_IMPORTED_MODULE_0__["distinctUntilChanged"])(function (x, y) { return compare ? compare(x[key], y[key]) : x[key] === y[key]; });
  }
docs: PURE_IMPORTS_START _distinctUntilChanged PURE_IMPORTS_END