< > BotCompany Repo | #1021114 // concatMapToCISet

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (2293L/15K).

// f must return a collection of strings
static Set<S> mapLike concatMapToCISet(O f, Iterable l) {
  Set<S> set = ciSet();
  if (l != null) for (O o : l)
    addAll(set, (Collection<S>) callF(f, o));
  ret set;
}

static <A> Set<S> mapLike concatMapToCISet(Iterable<A> l, IF1<A, Cl<S>> f) {
  ret concatMapToCISet(f, l);
}

Author comment

Began life as a copy of #1005492

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