Function flatMapFactory

src/Operations.js:779–785

(collection, mapper, context)

}

export function flatMapFactory(collection, mapper, context) {
  const coerce = collectionClass(collection);
  return collection
    .toSeq()
    .map((v, k) => coerce(mapper.call(context, v, k, collection)))
    .flatten(true);
}

export function interposeFactory(collection, separator) {
  const interposedSequence = makeSequence(collection);