text: // import 'es6-symbol/implement'
  export { default as all } from './src/all'
  export { default as composite } from './src/composite'
  export { default as map } from './src/map'
  export { default as once } from './src/once'
  export { default as range } from './src/range'
  export { default as toMap } from './src/toMap'
  