instance method `keep`

Ruby on Rails 6.0.6

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:

keep(k = nil)

Keeps either the entire current flash or a specific flash entry available for the next action:

flash.keep            # keeps the entire flash
flash.keep(:notice)   # keeps only the "notice" entry, the rest of the flash is discarded

Parameters

k opt = nil

Source

# File actionpack/lib/action_dispatch/middleware/flash.rb, line 237
      def keep(k = nil)
        k = k.to_s if k
        @discard.subtract Array(k || keys)
        k ? self[k] : self
      end

Defined in actionpack/lib/action_dispatch/middleware/flash.rb line 237 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionDispatch::Flash::FlashHash

Signature

Parameters