Method setCause

pkg/errors/causes.go:23–37

(cause error)

}

func (e *Error) setCause(cause error) {
	if cause == nil {
		panic("error cause should not be set if nil")
	}
	if e.cause != nil {
		panic("error cause should not be overwritten, you're probably doing the a.WithCause(b) the wrong way around")
	}
	if ttnErr, ok := From(cause); ok {
		e.cause = ttnErr
	} else {
		e.cause = cause
	}
	e.stack = callers(4)
	e.clearGRPCStatus()
}

// WithCause returns the error with the given cause set.
// Overwriting an existing cause in the Error will cause a panic.