bool mongoc_write_concern_is_default (mongoc_write_concern_t *write_concern);
- write_concern: A pointer to a mongoc_write_concern_t.
Returns true if write_concern has not been modified from the default. For example, if no "w" option is set in the MongoDB URI and you have not called mongoc_client_set_write_concern(), then mongoc_write_concern_is_default() is true for the write concern returned by mongoc_client_get_write_concern().
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