method

decrement

v6.1.3.1 - Show latest stable - Class: ActiveSupport::Cache::MemCacheStore

decrement(name, amount = 1, options = nil)

public

Decrement a cached value. This method uses the memcached decr atomic operator and can only be used on values written with the :raw option. Calling it on a value not stored with :raw will initialize that value to zero.

# File activesupport/lib/active_support/cache/mem_cache_store.rb, line 120
      def decrement(name, amount = 1, options = nil)
        options = merged_options(options)
        instrument(:decrement, name, amount: amount) do
          rescue_error_with nil do
            @data.with { |c| c.decr(normalize_key(name, options), amount, options[:expires_in]) }
          end
        end
      end

decrement

Related methods