session

type Client struct {
	In      io.Reader
	Out     io.Writer
	Term    string
	Size    Size
	Resized <-chan Size
	// Env are variables for the command, as NAME=value.
	Env []string
	// OnPaste is called each time the person presses Ctrl+V, or is nil.
	OnPaste func()
}

type Exec struct {
	In     io.Reader
	Out    io.Writer
	Errors io.Writer
	// Env are variables for the command, as NAME=value.
	Env []string
}

type PTY struct {
	Master *os.File
	Slave  *os.File
}

type Piped interface {
	Process
	Stderr() io.Reader
	CloseInput() error
}

type Process interface {
	io.ReadWriteCloser
	Resize(size Size) error
	Wait() (exitCode int, err error)
}

type Request struct {
	Terminal bool
	Term     string
	Size     Size
	Env      []string
}

type Size struct {
	Rows uint16
	Cols uint16
}

type Starter func(request Request) (Process, error)