Function cassandra_cpp_sys::cass_value_primary_sub_type
source · pub unsafe extern "C" fn cass_value_primary_sub_type(
collection: *const CassValue
) -> CassValueType
Expand description
Get the primary sub-type for a collection. This returns the sub-type for a list or set and the key type for a map.
@public @memberof CassValue
@param[in] collection @return The type of the primary sub-type. CASS_VALUE_TYPE_UNKNOWN returned if not a collection.