// Package cache implements the Fs cachepackage cache import (	"github.com/rclone/rclone/fs"	"github.com/rclone/rclone/lib/cache") var (	c = cache.New()) // GetFn gets a fs.Fs named fsString either from the cache or creates// it afresh with the create functionfunc GetFn(fsString string, create func(fsString string) (fs.Fs, error)) (f fs.Fs, err error) {	value, err := c.Get(fsString, func(fsString string) (f interface{}, ok bool, err error) {		f, err = create(fsString)		ok = err == nil || err == fs.ErrorIsFile		return f, ok, err	})	if err != nil && err != fs.ErrorIsFile {		return nil, err	}	return value.(fs.Fs), err} // Get gets a fs.Fs named fsString either from the cache or creates it afreshfunc Get(fsString string) (f fs.Fs, err error) {	return GetFn(fsString, fs.NewFs)} // Put puts an fs.Fs named fsString into the cachefunc Put(fsString string, f fs.Fs) {	c.Put(fsString, f)} // Clear removes everything from the cahcefunc Clear() {	c.Clear()}