14 lines
229 B
Text
14 lines
229 B
Text
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class FIFO(*array) {
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method pop {
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array.is_empty && die "underflow";
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array.shift;
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}
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method push(*items) {
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array += items;
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self;
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}
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method empty {
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array.len == 0;
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}
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}
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