void

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                           MONGOC_OPTIONAL_COPY(3)

       • source: A mongoc_optional_t.

       • copy: An empty mongoc_optional_t. Values will be overwritten.

          void
          mongoc_optional_copy (const mongoc_optional_t *source, mongoc_optional_t *copy);

       Creates a deep copy of source into copy.