无法通过struct方法替换指针

Question

Got a struct method that returns a pointer:

func (d *DataMap) Get(p Coord) *CellData {
    return &d.Data[p.X+(p.Y*d.Size)]
}

The d.Data is an array of CellData which is a struct with several fields. With this method I can modify the inner value of each field, ie:

example.Get(p).Something = 123

But I cannot do something like this:

example.Get(p) = *yada (yada is a *CellData)

Where I want to replace the pointer with another pointer I get:

cannot assign to example.Get(p)(undefined)

What am I doing wrong? The output of the function is defined, dont' know why I'm getting that error. Right now I fixed this by accessing the array directly.

Thanks.

Answer 1

Get returns a pointer, so if you want to store into whatever that pointer is pointing to, you need to add a * (pointer dereference) at the beginning:

*(example.Get(p)) = *yada