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errors.go (532B)

      1 package retry
      2 
      3 import "fmt"
      4 
      5 // MaxAttemptsError provides the error when the maximum number of attempts have
      6 // been exceeded.
      7 type MaxAttemptsError struct {
      8 	Attempt int
      9 	Err     error
     10 }
     11 
     12 func (e *MaxAttemptsError) Error() string {
     13 	return fmt.Sprintf("exceeded maximum number of attempts, %d, %v", e.Attempt, e.Err)
     14 }
     15 
     16 // Unwrap returns the nested error causing the max attempts error. Provides the
     17 // implementation for errors.Is and errors.As to unwrap nested errors.
     18 func (e *MaxAttemptsError) Unwrap() error {
     19 	return e.Err
     20 }