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struct Foo\n{\n    Foo(Foo const&);\n    Foo(Foo &&);\n\n    template <typename T>\n    Foo(T&&);\n};\n\nFoo a;\nFoo b{ a }; \/\/ \u5339\u914d\u5230 Foo(T&&) \u800c\u4e0d\u662f Foo(Foo const&)\n            \/\/ \u56e0\u4e3a a \u8fd9\u91cc\u88ab\u63a8\u65ad\u4e3a Foo&\uff0c\u5230 Foo const& \u9700\u8981\u989d\u5916\u7684\u8f6c\u6362\uff0c\u56e0\u6b64 Foo(T&&) \u80dc\u51fa\n<\/pre>\n
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<PropertyGroup>\n  <SpectreMitigation Condition=\"'$(SpectreMitigation)' == ''\">Spectre<\/SpectreMitigation>\n<\/PropertyGroup><\/pre>\n
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