Go: Managing Multiple Error Handling

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Go — , Go. , Go , . , , .

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• go-multierror HashiCorp, :

  
  
  
  
  

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• multierr Uber:

  
  
  
  
  

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name                    time/op         alloc/op        allocs/op
HashiCorpMultiErrors-4  6.01µs ± 1%     6.78kB ± 0%     77.0 ± 0%
UberMultiErrors-4       9.26µs ± 1%     10.3kB ± 0%      126 ± 0%
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

Uber . , . , , . :

name                    time/op         alloc/op        allocs/op
HashiCorpMultiErrors-4  6.01µs ± 1%     6.78kB ± 0%     77.0 ± 0%
UberMultiErrors-4       6.02µs ± 1%     7.06kB ± 0%     77.0 ± 0%
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

Go error



Error() string



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go run .  0.30s user 0.19s system 14% cpu 3.274 total
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

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, errgroup; . , errgroup:

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go run .  0.30s user 0.19s system 38% cpu 1.269 total
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

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