bool

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025            MONGOC_WRITE_CONCERN_JOURNAL_IS_SET(3)

       Test whether this write concern's "journal" option was explicitly set or uses the default setting.

       • write_concern: A mongoc_write_concern_t.

          bool
          mongoc_write_concern_journal_is_set (
             const mongoc_write_concern_t *write_concern);