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This modification taps into some newer C++14 features (if present) to generate function signatures considerably more efficiently at compile time rather than at run time. With this change, pybind11 binaries are now *2.1 times* smaller compared to the Boost.Python baseline in the benchmark. Compilation times get a nice improvement as well. Visual Studio 2015 unfortunately doesn't implement 'constexpr' well enough yet to support this change and uses a runtime fallback.
19 lines
639 B
C++
19 lines
639 B
C++
/*
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example/example11.cpp -- keyword arguments and default values
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Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#include "example.h"
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void kw_func(int x, int y) { std::cout << "kw_func(x=" << x << ", y=" << y << ")" << std::endl; }
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void init_ex11(py::module &m) {
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m.def("kw_func", &kw_func, py::arg("x"), py::arg("y"));
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m.def("kw_func2", &kw_func, py::arg("x") = 100, py::arg("y") = 200);
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m.def("kw_func3", [](const char *) { }, py::arg("data") = std::string("Hello world!"));
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}
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