29 lines
1.1 KiB
C++
29 lines
1.1 KiB
C++
// tmp_policy
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// Created by lucas on 22-7-26.
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// Re-implementation of a typical policy architecture in C++ Template Meta-Programming.
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#include <iostream>
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#include "accumulator.h"
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#include <vector>
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#include <string>
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int main() {
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// Normal demo
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std::vector<int> intVec;
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intVec.reserve(10);
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for (int i = 1; i <= 10; ++i)
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intVec.push_back(i);
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std::cout << Accumulator<PAdd, PAve, PResultTypeIs<int>>::eval(intVec) << std::endl;
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std::cout << Accumulator<PAve, PAdd, PResultTypeIs<int>>::eval(intVec) << std::endl;
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std::cout << Accumulator<PAdd, PNoAve, PResultTypeIs<int>>::eval(intVec) << std::endl;
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std::cout << Accumulator<>::eval(intVec) << std::endl;
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std::cout << Accumulator<PMul, PNoAve>::eval(intVec) << std::endl;
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std::cout << Accumulator<PAve>::eval(intVec) << std::endl;
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// Punchline (gusha)
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std::vector<std::string> strVec;
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for (int i = 1; i <= 10; ++i)
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strVec.emplace_back("Today is KFC crazy Thursday V me ¥50\n");
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std::cout << Accumulator<PAdd, PNoAve, PResultTypeIs<std::string>>::eval(strVec) << std::endl;
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return 0;
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}
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