func (rc rootContext) Value(key interface{}) interface{} {
	switch key {
	case fs.CtxRoot:
		rc.root.IncRef()
		return rc.root
	default:
		return rc.Context.Value(key)
	}
}
// Value implements Context.Value.
Value implements Context.Value.
// Value implements Context . Value .
func (rc rootContext) Value(key interface{}) interface{} {
	switch key {
	case fs.CtxRoot:
		rc.root.IncRef()
		return rc.root
	default:
		return rc.Context.Value(key)
	}
}
func ( rc rootContext ) Value ( key interface { } ) interface { } { switch key { case fs . CtxRoot : rc . root . IncRef ( ) return rc . root default : return rc . Context . Value ( key ) } }
Value implements Context.Value.
Value implements Context . Value .