bool

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                              BSON_WRITER_BEGIN(3)

       Begins  writing  a  new document. The caller may use the bson structure to write out a new BSON document.
       When completed, the caller must call either bson_writer_end() or bson_writer_rollback().

       • writer: A bson_writer_t.

       • bson: A bson_t.

       true if there was space in the underlying buffers to begin the document.

          bool
          bson_writer_begin (bson_writer_t *writer, bson_t **bson);