|  | package themis
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							|  | 
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							|  | import "github.com/juju/errors"
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							|  | 
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							|  | func errorEqual(err1, err2 error) bool {
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							|  | 	if err1 == err2 {
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							|  | 		return true
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							|  | 	}
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							|  | 
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							|  | 	e1 := errors.Cause(err1)
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							|  | 	e2 := errors.Cause(err2)
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							|  | 
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							|  | 	if e1 == e2 {
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							|  | 		return true
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							|  | 	}
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							|  | 
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							|  | 	if e1 == nil || e2 == nil {
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							|  | 		return e1 == e2
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							|  | 	}
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							|  | 
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							|  | 	return e1.Error() == e2.Error()
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							|  | }
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