Creates a ReadStamps instance that will calculate and cache the stamp for sources and binaries on the first request according to the provided srcStamp and binStamp functions. Each stamp is calculated separately on demand. The stamp for a product is always recalculated.
Creates a ReadStamps instance that will calculate and cache the stamp for sources and binaries on the first request according to the provided srcStamp and binStamp functions. Each stamp is calculated separately on demand. The stamp for a product is always recalculated.