Commit 9139ffe6 authored by Rajko Albrecht's avatar Rajko Albrecht

use correct check for existing key

parent 5688a64b
......@@ -5,10 +5,9 @@ class Redis
module Cas
def cas key, ttl=nil
watch(key) do
break false unless exists(key)
value = get(key)
break false if value.nil?
value = yield value
ires = multi do |multi|
multi.set(key,value,{:expire_in => ttl})
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