// middle of reading a fixed-size block or data structure.
var ErrUnexpectedEOF = errors.New("unexpected EOF")

// ErrNoProgress is returned by some clients of a [Reader] when
// many calls to Read have failed to return any data or error,
// usually the sign of a broken [Reader] implementation.
var ErrNoProgress = errors.New("multiple Read calls return no data or error")

// Reader is the interface that wraps the basic Read method.
//