< > BotCompany Repo | #1010182 // lookupAllOpt - look up a whole list in a map, returning only found entries

JavaX fragment (include)

static <A, B> L<B> lookupAllOpt(Map<A, B> map, Collection<A> l) {
  new L<B> out;
  if (l != null) for (A a : l)
    addIfNotNull(out, map.get(a));
  ret out; 
}

static <A, B> L<B> lookupAllOpt(Collection<A> l, Map<A, B> map) {
  ret lookupAllOpt(map, l);
}

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