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| type chatFn func(b *Bot) chatFn | |
| func (b *Bot) chat() { | |
| for state := hello; state != nil; { | |
| state = state(b) | |
| } | |
| } | |
| func hello(b *Bot) chatFn { | |
| b.send("Hello!") | |
| return wait | |
| } | |
| func wait(b *Bot) chatFn { | |
| time.Sleep(5 * time.Second) | |
| return goodbye; | |
| } | |
| func goodbye(b *Bot) chatFn { | |
| b.send("Goodbye!") | |
| return nil | |
| } |
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