[go-nuts] Is there some way to set value for unexported nil ptr field of a struct using reflect?

[feilengcui008]

Hi, all:
    I'm writing a little fuzz tool for struct using reflect package, and 
came across the following case, but didn't find any way to solve it


type TestStruct struct {
    a  *int       // unexported nil ptr field, how to modify it?
    b  int       // unexported not ptr field, can be modified using 
reflect.NewAt
    C  *int      // exported nil ptr field,  can be modified using 
reflect.New and value.Set
}

ts := &TestStruct {}  // a is nil ptr and not exported
fieldA := reflect.ValueOf(ts).Elem().Field(0)
// how to modify the value of a using the reflect value fieldA?


here is the full code fuzz.go 
<https://gist.github.com/feilengcui008/1ef29539bf7ccab5993c796ca2ddf227#file-fuzz-go-L44>

Hope to get some advice, thanks in advance!

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