instance method `decrement`

Ruby on Rails 3.1.12

Since v3.0.20

Available in: 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(name, amount = 1, options = nil)

No documentation comment.

Parameters

name req
amount opt = 1
options opt = nil

Source

# File activesupport/lib/active_support/cache/file_store.rb, line 51
      def decrement(name, amount = 1, options = nil)
        file_name = key_file_path(namespaced_key(name, options))
        lock_file(file_name) do
          options = merged_options(options)
          if num = read(name, options)
            num = num.to_i - amount
            write(name, num, options)
            num
          else
            nil
          end
        end
      end

Defined in activesupport/lib/active_support/cache/file_store.rb line 51 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Cache::FileStore

Signature

Parameters