method

exist?

v4.1.8 - Show latest stable - 0 notes - Class: ActiveSupport::Cache::Store

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.8 (0)
3.0.0 (38)
3.0.9 (-2)
3.1.0 (0)
3.2.1 (0)
3.2.8 (0)
3.2.13 (0)
4.0.2 (1)
4.1.8 (0)
4.2.1 (0)
4.2.7 (0)
4.2.9 (0)
5.0.0.1 (0)
5.1.7 (0)
5.2.3 (0)
6.0.0 (0)
6.1.3.1 (0)
6.1.7.7 (0)
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

exist?(name, options = nil) public

Returns true if the cache contains an entry for the given key.

Options are passed to the underlying cache implementation.

# File activesupport/lib/active_support/cache.rb, line 407
      def exist?(name, options = nil)
        options = merged_options(options)

        instrument(:exist?, name) do
          entry = read_entry(namespaced_key(name, options), options)
          (entry && !entry.expired?) || false
        end
      end

exist?

Related methods