39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
#include <kpn/kpn.hpp>
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#include <iostream>
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#include <chrono>
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#include <thread>
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// A minimal linear pipeline: producer → double → print
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//
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// [produce] --int--> [double_it] --int--> [print_it]
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static int produce() { return 42; }
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static int double_it(int x) { return x * 2; }
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static void print_it(int x) { std::cout << "result: " << x << '\n'; }
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int main() {
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using namespace kpn;
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auto src = make_node<produce>(5);
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auto dbl = make_node<double_it>(5);
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auto sink = make_node<print_it>(5);
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// Wire channels
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auto& dbl_in = dbl.input_channel<0>();
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auto& sink_in = sink.input_channel<0>();
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src.set_output_channel<0>(&dbl_in);
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dbl.set_output_channel<0>(&sink_in);
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Network net;
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net.add("src", src)
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.add("dbl", dbl)
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.add("sink", sink)
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.connect("src", src.output<0>(), "dbl", dbl.input<0>())
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.connect("dbl", dbl.output<0>(), "sink", sink.input<0>())
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.build();
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net.start();
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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net.stop();
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}
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