method

optional_names

v4.2.1 - Show latest stable - 0 notes - Class: Pattern

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optional_names() public

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# File actionpack/lib/action_dispatch/journey/path/pattern.rb, line 52
        def optional_names
          @optional_names ||= spec.grep(Nodes::Group).flat_map { |group|
            group.grep(Nodes::Symbol)
          }.map { |n| n.name }.uniq
        end

optional_names

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