CombinedContext creates a context that finishes when any of the provided signals finish.

ContextFromChan creates a context that finishes when the provided channel receives or is closed.

EnsureSeekable ensures that the given reader is seekable by reading it all into memory and returning a seekable buffer.

Creates a new mailbox instance.

UnmarshalUnion is a generic function to unmarshal tagged unions.

UnionTag is the struct tag key used for union field matching.

BufferedReadSeeker is a ReadSeeker that buffers data read from the underlying reader into memory incrementally, allowing seeking up to the current position.

WaitGroupChan creates a channel that closes when the provided sync.WaitGroup is done.