fetcher

func PartialOrFullResource ¶

func PartialOrFullResource(ctx context.Context, p uint8, f func(context.Context, uint8) ([]byte, error)) ([]byte, error)

PartialOrFullResource calls the provided function with the provided partial resource size value in order to fetch and return a static resource. If p is non-zero, and f returns os.ErrNotExist, this function will try to fetch the corresponding full resource by calling f a second time passing zero.