如何将函数调用附加到golang结构？

Question

I have the following go code which I was wanting get interfaces working:

https://play.golang.org/p/A29etweYN_

to provide the following output:

Gate: Evaluation ID U0 NOR true 0 0
Gate: Evaluation ID U1 NOR false 0 1
Gate: Evaluation ID U2 NOR false 1 0
Gate: Evaluation ID U3 NOR false 1 1

I am finding it difficult to understand why the commented out line

//OutputY: gateNor(InputA,InputB) 

does not work - gateNor is a function which I want to call and append to the Gate struct

What would be a more elegant way to implement this?

type Gate struct {
   Id      string
   Funct   string
   InputA  string
   InputB  string
   OutputY string
}

func (g *Gate) Notify() error {
    fmt.Printf("Gate: Evaluation ID %s %s %s %s %s
",
        g.Id,
        g.Funct,
        g.OutputY,
        g.InputA,
        g.InputB,
    )
    return nil
}

gate0 := &Gate{
    Id:      "U0",
    Funct:   "NOR",
    InputA:  "0",
    InputB:  "0",
    OutputY: gateNor("0", "0"),
    //OutputY: gateNor(InputA,InputB),
}

gateNor returns the string true for input A=0 and InputB = 0, for the gate0 (ID U0) struct following output is working:

Gate: Evaluation ID U0 NOR true 0 0

Answer 1

You can't refer to the members of Gate within the object-initializer; you could do something like:

inputA, inputB := "1", "1"
gate3 := &Gate{
    Id:      "U3",
    Funct:   "NOR",
    InputA:  inputA,
    InputB:  inputB,
    OutputY: gateNor(inputA,inputB),
}