compare_and_swap

redis_simd_json

Function compare_and_swap 

Source 
pub async fn compare_and_swap(
    key: String,
    current: Value,
    value: Option<Value>,
) -> Result<i64>
Expand description

Serialize and set the value at a key if the current value hasn’t changed. Returns count of modified keys. Requires that redis-cas is loaded on Redis