tree cf53e9e09218debe7aea0bf9d9d774ede18aa78e
parent 648932e0fb97b800480d95d1959bbfd2df01af14
author Nigel Tao <nigeltao@golang.org> 1572655139 +1100
committer Nigel Tao <nigeltao@golang.org> 1572655357 +1100

Have lib/interval's split2Ways return emptiness