26 lines
573 B
C++
26 lines
573 B
C++
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#pragma once
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#include <memory>
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/// Looping array
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template <class T>
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struct circular_buffer {
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circular_buffer(size_t size): size(size), buffer(std::unique_ptr<T[]>(new T[size])) { }
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circular_buffer(size_t size, const T& zero): circular_buffer(size) {
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for (size_t i = 0; i < size; i++) {
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buffer[i] = zero;
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}
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}
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size_t last = 0;
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size_t size;
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std::unique_ptr<T[]> buffer;
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void push(T in) {
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last = (last + 1) % size;
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buffer[last] = in;
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}
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T current() const {
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return buffer[last];
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}
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};
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