stream

const (
	ListKey = data.Keyword("list")
	Dir     = data.Keyword("dir")
	File    = data.Keyword("file")

	OpenKey    = data.Keyword("open")
	ReadString = data.Keyword("read-string") // String
	ReadLines  = data.Keyword("read-lines")  // String
	ReadAll    = data.Keyword("read-all")    // Bytes
	ReadBlocks = data.Keyword("read-blocks") // Bytes
)

const (
	ErrExpectedDirectory   = "expected a directory, got a file: %s"
	ErrUnknownOpenMode     = "unknown open mode: %s"
	ErrExpectedFile        = "expected a file, got a directory: %s"
	ErrUnexpectedArguments = "unexpected additional arguments: %s"
)

const (
	// WriteKey is key used to write to a Writer
	WriteKey = data.Keyword("write")

	// CloseKey is the key used to close a file
	CloseKey = data.Keyword("close")

	// EmitKey is the key used to emit to a Channel
	EmitKey = data.Keyword("emit")

	// SequenceKey is the key used to retrieve the Sequence from a Channel
	SequenceKey = data.Keyword("seq")
)

const (
	ErrInvalidBlockSize = "block size must be greater than zero: %d"
)