15 lines
		
	
	
		
			241 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			241 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package broker
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| 
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| // IsValidHandler func signature
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| func IsValidHandler(sub interface{}) error {
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| 	switch sub.(type) {
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| 	default:
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| 		return ErrInvalidHandler
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| 	case func(Message) error:
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| 		break
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| 	case func([]Message) error:
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| 		break
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| 	}
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| 	return nil
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| }
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