Golang: Unmarshalling JSON with multiple types

Issue

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type A struct {
    NameA         string `json:"nameA"`
}

type B struct {
    NameB         string `json:"nameB"`
}

type MyData struct {
    DataType      string `json:dataType`
    InnerData  A or B  string  `json:InnerData`
}

The type of InnerData is depend on DataType. when DataType is A, InnerData type will be Struct A

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Solution

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