Put interface assertion next to the asserted type

fs/torrentfs.go

@@ -21,6 +21,8 @@ type torrentFS struct {
 	mu        sync.Mutex
 }
 
+var _ fusefs.FSDestroyer = &torrentFS{}
+
 var _ fusefs.NodeForgetter = rootNode{}
 
 type rootNode struct {
@@ -236,8 +238,6 @@ func (me *torrentFS) Destroy() {
 	me.mu.Unlock()
 }
 
-var _ fusefs.FSDestroyer = &torrentFS{}
-
 func New(cl *torrent.Client) *torrentFS {
 	fs := &torrentFS{
 		Client:    cl,