Function RefFromHash

pkg/blob/ref.go:422–428

RefFromHash returns a blobref representing the given hash. It panics if the hash isn't of a known type.

(h hash.Hash)

// RefFromHash returns a blobref representing the given hash.
// It panics if the hash isn't of a known type.
func RefFromHash(h hash.Hash) Ref {
	meta, ok := metaFromType[hashSig{reflect.TypeOf(h), h.Size()}]
	if !ok {
		panic(fmt.Sprintf("Currently-unsupported hash type %T", h))
	}
	return Ref{meta.ctor(h.Sum(nil))}
}

// RefFromString returns a blobref from the given string, for the currently
// recommended hash function.