Function redis_bf_create 

pub fn redis_bf_create(
    key: &str,
    error_rate: f64,
    capacity: i64,
) -> KnowledgeResult<()>

Create a new Bloom filter.

error_rate: desired false positive rate (e.g. 0.01 for 1%). capacity: expected number of items to add. Requires the RedisBloom module.