method

use

v3.0.0 - Show latest stable - 0 notes - Class: ActionDispatch::Flash::FlashHash

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use(key = nil, used = true) private

Used internally by the keep and discard methods

    use()               # marks the entire flash as used
    use('msg')          # marks the "msg" entry as used
    use(nil, false)     # marks the entire flash as unused (keeps it around for one more action)
    use('msg', false)   # marks the "msg" entry as unused (keeps it around for one more action)

Returns the single value for the key you asked to be marked (un)used or the FlashHash itself if no key is passed.

Show source

# File actionpack/lib/action_dispatch/middleware/flash.rb, line 167
        def use(key = nil, used = true)
          Array(key || keys).each { |k| used ? @used << k : @used.delete(k) }
          return key ? self[key] : self
        end

use

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