slice(*keys)
Instance Public methods
Returns a new ActionController::Parameters instance that
includes only the given keys. If the given keys
don't exist, returns an empty hash.
1 2 3 | params = ActionController::Parameters.new(a: 1, b: 2, c: 3)params.slice(:a, :b) # => {"a"=>1, "b"=>2}params.slice(:d) # => {} |
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