11 lines
215 B
C++
11 lines
215 B
C++
#include <iostream>
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#include <cmath>
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template <class F, class G>
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decltype(auto) compose(F&& f, G&& g) {
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return [=](auto x) { return f(g(x)); };
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}
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int main() {
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std::cout << compose(sin, asin)(0.5) << "\n";
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}
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