text: // @flow
  
  import type { NodeType } from '../../types'
  import P from 'parsimmon'
  
  const TrueParser = P.string('true')
  const FalseParser = P.string('false')
  
  export default P.alt(TrueParser, FalseParser).map(
    (value: string): NodeType => ({
      name: 'primitive',
      value
    })
  )
  