>> I believe you've made a mistake here, elem needs to be *T , not T

This was just an abstract example.
I just wanted to say that if someone want to try implement a transpiller of 
the "Go.next" to the "Go" then the better way to represent the data of the 
different types (which are specified by the type arguments) in parametrized 
types is to use "unsafe.Pointer's".

Eg

type slice struct {

        array unsafe.Pointer
        len   int
        cap   int
}


type sliceType struct {
        rtype
        elem  *rtype
}


// arrayAt returns the i-th element of p, a C-array whose elements are

// eltSize wide (in bytes).func arrayAt(p unsafe.Pointer, i int, eltSize 
uintptr) unsafe.Pointer {
        return unsafe.Pointer(uintptr(p) + uintptr(i)*eltSize)
}


This means that "unsafe.Pointer's" used everywhere for represent data of 
any kind.
That's all I want to say.

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