rule

type HasApply interface {
	// Apply applies the rule to the proto.
	Apply(proto *parser.Proto) ([]report.Failure, error)
}

type HasID interface {
	// ID returns the ID of this rule. This should be all UPPER_SNAKE_CASE.
	ID() string
}

type HasIsOfficial interface {
	// IsOfficial decides whether or not this rule belongs to the official guide.
	IsOfficial() bool
}

type HasPurpose interface {
	// Purpose returns the purpose of this rule. This should be a human-readable string.
	Purpose() string
}

type Rule interface {
	HasApply
	HasID
	HasPurpose
	HasIsOfficial
}