instance method `discard`

Ruby on Rails 4.1.16

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:

discard(k = nil)

Marks the entire flash or a single flash entry to be discarded by the end of the current action:

flash.discard              # discard the entire flash at the end of the current action
flash.discard(:warning)    # discard only the "warning" entry at the end of the current action

Parameters

k opt = nil

Source

# File actionpack/lib/action_dispatch/middleware/flash.rb, line 203
      def discard(k = nil)
        k = k.to_s if k
        @discard.merge Array(k || keys)
        k ? self[k] : self
      end

Defined in actionpack/lib/action_dispatch/middleware/flash.rb line 203 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionDispatch::Flash::FlashHash

Signature

Parameters