Alternative for function overloading in Go?

Question

Is it possible to work similar way like the function overloading or optional parameter in C# using Golang? Or maybe an alternative way?

Answer 1

An approach I use sometime for constructing an object using New methods having different arguments is to have a "flavor" pseudo type. You can try it on the Go Playground https://play.golang.org/p/5To5AcY-MRe

package main

import "fmt"

type flavorA struct{}
type flavorB struct{}

var FlavorA = flavorA{}
var FlavorB = flavorB{}

type Something struct {
    i int
    f float64
}

func (flavor flavorA) NewSomething(i int) *Something {
    return &Something{i:i, f:0.0}
}

func (flavor flavorB) NewSomething(f float64) *Something {
    return &Something{i:0, f:f}
}

func main() {
    fmt.Println(FlavorA.NewSomething(1), FlavorB.NewSomething(2))
}