25 lines
463 B
Plaintext
25 lines
463 B
Plaintext
# stack.nas
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# valkmjolnir 2021/3/31
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var stack = func() {
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var vec = [];
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return {
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push: func(elem) {
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append(vec, elem);
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},
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pop: func() {
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return pop(vec);
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},
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top: func() {
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if (size(vec)!=0) {
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return vec[-1];
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}
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},
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clear: func() {
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vec = [];
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},
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empty: func() {
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return size(vec)==0;
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}
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};
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}
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