15 lines
		
	
	
		
			241 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			241 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package broker
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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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