net/flowtrack: add Tuple.String method
import (
"container/list"
+ "fmt"
"inet.af/netaddr"
)
@@ -22,6 +23,10 @@ type Tuple struct {
Dst netaddr.IPPort
}
+func (t Tuple) String() string {
+ return fmt.Sprintf("(%v => %v)", t.Src, t.Dst)
+}
+
// Cache is an LRU cache keyed by Tuple.
//
// The zero value is valid to use.
