NAME

       mongoc_collection_keys_to_index_string()  -  This  function  shall  returns  the canonical
       stringification, as used in mongoc_collection_create_index() without an explicit name,  of
       a given key specification.

SYNOPSIS

       char *
       mongoc_collection_keys_to_index_string (const bson_t *keys);

PARAMETERS

       keys   A bson_t \&.

DESCRIPTION

       This    function    shall    returns   the   canonical   stringification,   as   used   in
       mongoc_collection_create_index(3) without an explicit name, of a given key specification.

       It is a programming error to call this function on a non‐standard index,  such  one  other
       than a straight index with ascending and descending.

RETURNS

       A string that should be freed with bson_free(3) \&.

COLOPHON

       This    page   is   part   of   MongoDB   C   Driver.    Please   report   any   bugs   at
       https://jira.mongodb.org/browse/CDRIVER.