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lambda_test.cpp
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lambda_test.cpp
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#include <chrono>
#include "ThreadPoolLambda.hpp"
static std::string func4(int32_t a, int32_t b)
{
DEBUG("BEGIN func4");
DEBUG("END func4");
return std::to_string(a + b);
}
static int64_t func5(int32_t a, int32_t b, int32_t c, std::string* aOutputStr)
{
DEBUG("BEGIN func5");
int64_t res = a * b * c;
*aOutputStr = std::to_string(res);
DEBUG("END func5");
return res;
}
void func6(void)
{
DEBUG("BEGIN func6");
DEBUG("END func6");
}
static int64_t func8(int32_t a, int32_t b, int32_t c, std::string& aOutputStr)
{
DEBUG("BEGIN func8");
int64_t res = a * b * c;
aOutputStr = "output:" + std::to_string(res);
DEBUG("END func8");
return res;
}
int32_t main(void)
{
using namespace std::chrono_literals;
ThreadPoolLambda tp(3);
auto lambda1 = [](int64_t id) -> int64_t
{
DEBUG("BEGIN " << id);
std::this_thread::sleep_for(std::chrono::milliseconds(id));
DEBUG("END" << id);
return id;
};
std::future<int64_t> f1 = tp.push(lambda1, 10);
std::future<int64_t> f2 = tp.push(lambda1, 20);
std::future<int64_t> f3 = tp.push(lambda1, 30);
// compilation error. culprit: return type
std::future<std::string> f4 = tp.push(func4, 20, 10);
std::string s;
auto f5 = tp.push(func5, 30, 20, 10, &s);
// compilation error. culprit: return type
std::future<void> f6 = tp.push(func6);
auto f7 = tp.push([](void) -> int64_t {DEBUG("func7");return 100;});
std::string s2;
auto f8 = tp.push(func8, 30, 20, 10, std::ref(s2));
// std::this_thread::sleep_for(10s);
DEBUG("f1:" << f1.get());
DEBUG("f2:" << f2.get());
DEBUG("f3:" << f3.get());
DEBUG("f4:" << f4.get());
DEBUG("f5:" << f5.get());
DEBUG("s:" << s);
DEBUG("f7:" << f7.get());
DEBUG("f8:" << f8.get());
DEBUG("s2:" << s2);
tp.stop();
return 0;
}