1 files changed, 24 insertions, 0 deletions
diff --git a/cache/types.go b/cache/types.go
new file mode 100644
index 0000000..8f364d5
--- /dev/null
+++ b/cache/types.go
@@ -0,0 +1,24 @@
+package cache
+
+import (
+	"sync"
+)
+
+// Indexer allows for other uses of the Index functions
+type Indexer interface {
+	AddUser(string, string)
+	DelUser(string)
+}
+
+// UserIndex provides an index of users by URL
+type UserIndex map[string]*Data
+
+// Data from user's twtxt.txt
+type Data struct {
+	nick   string
+	url    string
+	status []string
+}
+
+// Mutex to control access to the User Index
+var imutex = sync.RWMutex{}