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View Compilation Error

0_0_39710685_29216.cpp
0_0_39710685_29216.cpp(25) : error C2819: “std::pair<const _Kty,_Ty>”类型没有重载成员“operator ->”
        with
        [
            _Kty=std::string
,            _Ty=int
        ]
        是否改用“.”?
0_0_39710685_29216.cpp(25) : error C2232: “->std::pair<const _Kty,_Ty>::second”: 左操作数有“struct”类型,使用“.”
        with
        [
            _Kty=std::string
,            _Ty=int
        ]


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