class Regexp::Expression::SequenceOperation

# File lib/regexp_parser/expression/sequence_operation.rb, line 14
def <<(exp)
  expressions.last << exp
end

# File lib/regexp_parser/expression/sequence_operation.rb, line 18
def add_sequence(active_opts = {}, params = { ts: 0 })
  self.class::OPERAND.add_to(self, params, active_opts)
end

# File lib/regexp_parser/expression/sequence_operation.rb, line 10
def ts
  (head = expressions.first) ? head.ts : @ts
end