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Add missing nil-check on errdefs.Unavailable()

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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Sebastiaan van Stijn 2018-12-30 15:18:57 +01:00
parent f76d6a078d
commit 43a8ec654b
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1 changed files with 3 additions and 0 deletions
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3
errdefs/helpers.go
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@ -76,6 +76,9 @@ func (e errUnavailable) Cause() error {
// Unavailable is a helper to create an error of the class with the same name from any error type
func Unavailable(err error) error {
if err == nil {
return nil
}
return errUnavailable{err}
}