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Replace a usage of C++14 language features with C++11 code (#1833)

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This commit is contained in:
Toru Niina 2019-07-10 17:13:56 +09:00 committed by Wenzel Jakob
parent 9fd4712121
commit 74d335a535
1 changed files with 12 additions and 5 deletions
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17
include/pybind11/functional.h
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@ -65,12 +65,19 @@ public:
}
};
value = [hfunc = func_handle(std::move(func))](Args... args) -> Return {
gil_scoped_acquire acq;
object retval(hfunc.f(std::forward<Args>(args)...));
/* Visual studio 2015 parser issue: need parentheses around this expression */
return (retval.template cast<Return>());
// to emulate 'move initialization capture' in C++11
struct func_wrapper {
func_handle hfunc;
func_wrapper(func_handle&& hf): hfunc(std::move(hf)) {}
Return operator()(Args... args) const {
gil_scoped_acquire acq;
object retval(hfunc.f(std::forward<Args>(args)...));
/* Visual studio 2015 parser issue: need parentheses around this expression */
return (retval.template cast<Return>());
}
};
value = func_wrapper(func_handle(std::move(func)));
return true;
}