Flowdock
method

keep

Importance_1
v4.0.2 - Show latest stable - 0 notes - Class: ActionDispatch::Flash::FlashHash
keep(k = nil) public

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
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