Method: Query::Parser::Operator#root

Defined in:
lib/query/parser/operator.rb

#root ⇒ Object 



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# File 'lib/query/parser/operator.rb', line 12

def root
  (
    PREFIXES
      .map { |prefix| str(prefix) }
      .reduce(&:|)
      .aka(:prefix)
      .maybe << (
      OPERATORS
        .flat_map do |operator|
          (
            MODIFIERS
              .map do |modifier|
                str("#{operator}#{modifier}") |
                  str("#{modifier}#{operator}")
              end
              .reduce(&:|) | str(operator)
          ).then { operator }
        end
        .reduce(&:|) |
        MODIFIERS
          .compact_blank
          .map { |modifier| str(modifier) }
          .reduce(&:|)
    ).aka(:suffix)
  ).aka(:operator)
end