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Avoid string copy if possible when passing a Python object to std::ostream (#3042)

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jonathan-conder-sm 2021-07-01 17:19:14 +12:00 committed by GitHub
parent cad79c1146
commit 733f8de24f
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4
include/pybind11/stl.h
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@ -380,7 +380,11 @@ struct type_caster<std::variant<Ts...>> : variant_caster<std::variant<Ts...>> {
PYBIND11_NAMESPACE_END(detail)
inline std::ostream &operator<<(std::ostream &os, const handle &obj) {
#ifdef PYBIND11_HAS_STRING_VIEW
os << str(obj).cast<std::string_view>();
#else
os << (std::string) str(obj);
#endif
return os;
}