playing with interfaces

// Avatar is a player character in the MUOG world.

type Avatar struct {

	Name string

	name string

}

// Name returns the name of the avatar.

func (a *Avatar) Name() string {

	return a.name

}

// SetName changes the name of an avatar and returns the old one.

func (a *Avatar) SetName(name string) (string, error) {

	oldName := a.name

	a.name = name

	return oldName, nil

}

package entity

// ActiveObjecter describes actions

type ActiveObjecter interface {

	//

}

// InactiveObjecter describes something

type InactiveObjecter interface {

	//

}

package model

// Character is a person, monster, or anything that can do actions.

type Character interface {

	Name() string

	SetName(string) (string, error)

}

package model

// Objecter is an inactive thing, that can not act on its own.

type Objecter interface {

	Name() string

}

package object

// BottleOfBeer is a bottle of beer.

type BottleOfBeer struct {

	name string

}

// Name returns the name of ths bottle of beer.

func (b *BottleOfBeer) Name() string {

	return b.name

}