29 lines
438 B
C++
29 lines
438 B
C++
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#pragma once
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#include <cstdlib>
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class RingCounter
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{
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public:
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RingCounter(size_t n, size_t initial = 0)
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: n(n), counter(initial) {}
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size_t operator++()
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{
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counter = (counter + 1) % n;
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return counter;
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}
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size_t operator++(int)
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{
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auto value = counter;
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++counter;
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return value;
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}
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operator size_t() const { return counter; }
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private:
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size_t n, counter;
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};
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