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37 lines
613 B
37 lines
613 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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struct item {
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int data;
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item* next;
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};
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template <typename E>
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struct List {
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List(E* E::*next_ptr) : head(nullptr), next_ptr(next_ptr) {}
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void add(E* e) {
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e->*next_ptr = head;
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head = e;
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}
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void add_byref(E& e) {
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e.*next_ptr = head;
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head = &e;
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}
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E* head;
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E* E::*next_ptr;
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};
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void skip() { List<item> l(&item::next); }
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void noskip(List<item> l) {
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item i;
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l.add(&i);
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l.add_byref(i);
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}
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