vendor/github.com/hashicorp/terraform/terraform/eval_error.go

   1 package terraform
   2
   3 // EvalReturnError is an EvalNode implementation that returns an
   4 // error if it is present.
   5 //
   6 // This is useful for scenarios where an error has been captured by
   7 // another EvalNode (like EvalApply) for special EvalTree-based error
   8 // handling, and that handling has completed, so the error should be
   9 // returned normally.
  10 type EvalReturnError struct {
  11         Error *error
  12 }
  13
  14 func (n *EvalReturnError) Eval(ctx EvalContext) (interface{}, error) {
  15         if n.Error == nil {
  16                 return nil, nil
  17         }
  18
  19         return nil, *n.Error
  20 }