method
constraint_args
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Class: ActionDispatch::Routing::Mapper::Constraints
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constraint_args(constraint, request)
private
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# File actionpack/lib/action_dispatch/routing/mapper.rb, line 52 def constraint_args(constraint, request) arity = if constraint.respond_to?(:arity) constraint.arity else constraint.method(:call).arity end if arity < 1 [] elsif arity == 1 [request] else [request.path_parameters, request] end end