new

# File actionpack/lib/action_dispatch/journey/path/pattern.rb, line 19
        def initialize(ast, requirements, separators, anchored)
          @spec         = ast
          @requirements = requirements
          @separators   = separators
          @anchored     = anchored

          @names          = nil
          @optional_names = nil
          @required_names = nil
          @re             = nil
          @offsets        = nil
        end