On Tue, May 24, 2022 at 1:48 AM Wenhua Shi <march...@gmail.com> wrote:
>
> I'm really confusing.
>
> > That doesn't make sense to me. ifn and tfn need to refer to executable code.
> The code is copied from here
> https://github.com/golang/go/blob/0da4dbe2322eb3b6224df35ce3e9fc83f104762b/src/reflect/type.go#L2368
> , why is it working here?
Sorry, I see what you mean. I'm not sure what is going on here and I
don't have the time to dig into it in detail myself. Perhaps someone
else will take a look.
Ian
> > ifn and tfn need to refer to executable code.
> I followed your advice and changed the code to `tfn:
> resolveReflectText(ifn.ptr)`, but it still gave the same error.
>
> After I changed the `methodReceiver` func in `value.go` file, calling
> `Dan.Method(0).Call([]reflect.Value{})` didn't panic any more,
> ```
> ifn := v.typ.textOff(m.ifn)
> fn = unsafe.Pointer(&ifn)
> ```
> to
> ```
> fn := v.typ.textOff(m.ifn)
> ```
> Why is `methodReceiver` taking address of `ifn` considering ifn is already a
> pointer to the function?
>
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