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package vm
type Output interface {
Write(message string) error
}
type EmptyOutput struct{}
func NewEmptyOutput() *EmptyOutput {
return &EmptyOutput{}
}
func (o *EmptyOutput) Write(message string) error {
return nil
}
type GatheringOutput struct {
messages []string
}
func NewGatheringOutput() *GatheringOutput {
return &GatheringOutput{
messages: make([]string, 0, 8),
}
}
func (o *GatheringOutput) Messages() []string {
return o.messages
}
func (o *GatheringOutput) Write(message string) error {
o.messages = append(o.messages, message)
return nil
}
type ConsoleOutput struct{}
func NewConsoleOutput() *ConsoleOutput {
return &ConsoleOutput{}
}
func (o *ConsoleOutput) Write(message string) error {
println(message)
return nil
}
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