Function InsertOrDie

be/src/gutil/map-util.h:394–397

// Same as above except dies if the key already exists in the collection.
template <class Collection>
void InsertOrDie(Collection* const collection,
                 const typename Collection::value_type& value) {
  CHECK(InsertIfNotPresent(collection, value)) << "duplicate value: " << value;
}

// Same as above except doesn't log the value on error.
template <class Collection>