instance method `decrement`

Ruby on Rails 5.2.8.1

Since v5.2.8.1

Available in: v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

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

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.

Parameters

name req
amount opt = 1
options opt = nil

Source

# File activesupport/lib/active_support/cache/mem_cache_store.rb, line 110
      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

Defined in activesupport/lib/active_support/cache/mem_cache_store.rb line 110 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Cache::MemCacheStore

Signature

Parameters