union-find.h | 38 : parent_(max, fail), rank_(max), fail_(fail) { } 44 || item == fail_ 45 || parent_[item] == fail_) return fail_; 67 // New value in parent_ should be initialized to fail_ 68 parent_.resize(2 * item, fail_); 86 T fail_; // Value indicating lookup failure. member in class:fst::UnionFind
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