< > BotCompany Repo | #1023750 // outerProductPairs

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

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static <A, B> ItIt<Pair<A, B>> outerProductPairs(Collection<A> lA, Collection<B> lB) {
  ret nestedIterator(lA, func(A a) -> Iterator<Pair<A, B>> {
    mapI(lB, b -> pair(a, b))
  });
}

static <A> ItIt<Pair<A>> outerProductPairs(Collection<A> lA) {
  ret outerProductPairs(lA, lA);
}

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