instance method `decrement`

Ruby on Rails 2.2.3

Since v2.2.3

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 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(key, amount = 1)

No documentation comment.

Parameters

key req
amount opt = 1

Source

# File activesupport/lib/active_support/cache.rb, line 202
      def decrement(key, amount = 1)
        log("decrementing", key, amount)
        if num = read(key)
          write(key, num - amount)
        else
          nil
        end
      end

Defined in activesupport/lib/active_support/cache.rb line 202 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Cache::Store

Signature

Parameters