FromFetcher fetches br from fetcher and slurps its contents to memory.

FromReader slurps the given blob from r to memory.

HashFuncs returns the names of the supported hash functions.

MustParse parse s as a blobref and panics on failure.

NewBlob constructs a Blob from its Ref, size and a function that returns the contents of the blob.

NewHash returns a new hash.Hash of the currently recommended hash type.

Parse parse s as a blobref and returns the ref and whether it was parsed successfully.

ParseBytes is like Parse, but parses from a byte slice.

ParseKnown is like Parse, but only parse blobrefs known to this server.

ParseOrZero parses as a blobref.

ReaderAt returns an io.ReaderAt of br, fetching against sf.

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

RefFromHash returns a blobref representing the given hash.

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

TypeAlphabet returns the valid characters in the given blobref type.

Pattern is the regular expression which matches a blobref.

ErrUnimplemented is returned by optional interfaces when their wrapped values don't implemented the optional interface.

Blob represents a blob.

ChanPeeker wraps a channel receiving SizedRefs and adds a 1 element buffer on it, with Peek and Take methods.

Ref is a reference to a Perkeep blob.

SizedRef is like a Ref but includes a size.

Fetcher is the minimal interface for retrieving a blob from storage.

A SubFetcher is a Fetcher that can retrieve part of a blob.

ByRef sorts blob references.

SizedByRef sorts SizedRefs by their blobref.