Function writeOutError

cmd/opencodereview/shared.go:548–553

writeOutError surfaces deferred write errors from writers that record them (lazyFileWriter); plain writers such as os.Stdout report nil.

(out io.Writer)

// writeOutError surfaces deferred write errors from writers that record them
// (lazyFileWriter); plain writers such as os.Stdout report nil.
func writeOutError(out io.Writer) error {
	if r, ok := out.(interface{ Err() error }); ok {
		return r.Err()
	}
	return nil
}

// Close closes the underlying file. It is a no-op when the file was never
// created (no output produced), so failure paths cannot leave a fresh empty