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method

from_session_value

Importance_0
Ruby on Rails latest stable (v5.2.3) - 0 notes - Class: ActionDispatch::Flash::FlashHash
from_session_value(value) public

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# File actionpack/lib/action_dispatch/middleware/flash.rb, line 114
      def self.from_session_value(value) #:nodoc:
        case value
        when FlashHash # Rails 3.1, 3.2
          flashes = value.instance_variable_get(:@flashes)
          if discard = value.instance_variable_get(:@used)
            flashes.except!(*discard)
          end
          new(flashes, flashes.keys)
        when Hash # Rails 4.0
          flashes = value["flashes"]
          if discard = value["discard"]
            flashes.except!(*discard)
          end
          new(flashes, flashes.keys)
        else
          new
        end
      end
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