/ Ruby on Rails
/
method

optional_names

rails latest stable - Class: ActionDispatch::Journey::Path::Pattern
optional_names()
public

No documentation available.

# File actionpack/lib/action_dispatch/journey/path/pattern.rb, line 59
        def optional_names
          @optional_names ||= spec.find_all(&:group?).flat_map { |group|
            group.find_all(&:symbol?)
          }.map(&:name).uniq
        end