method

exist?

v4.0.2 - Show latest stable - Class: ActiveSupport::Cache::Store

exist?(name, options = nil)

public

Return 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 379
      def exist?(name, options = nil)
        options = merged_options(options)
        instrument(:exist?, name) do
          entry = read_entry(namespaced_key(name, options), options)
          entry && !entry.expired?
        end
      end

exist?

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