1 files changed, 30 insertions, 0 deletions
diff --git a/teleirc/matterbridge/vendor/github.com/slack-go/slack/messageID.go b/teleirc/matterbridge/vendor/github.com/slack-go/slack/messageID.go
new file mode 100644
index 0000000..689ee80
--- /dev/null
+++ b/teleirc/matterbridge/vendor/github.com/slack-go/slack/messageID.go
@@ -0,0 +1,30 @@
+package slack
+
+import "sync/atomic"
+
+// IDGenerator provides an interface for generating integer ID values.
+type IDGenerator interface {
+	Next() int
+}
+
+// NewSafeID returns a new instance of an IDGenerator which is safe for
+// concurrent use by multiple goroutines.
+func NewSafeID(startID int) IDGenerator {
+	return &safeID{
+		nextID: int64(startID),
+	}
+}
+
+type safeID struct {
+	nextID int64
+}
+
+// make sure safeID implements the IDGenerator interface.
+var _ IDGenerator = (*safeID)(nil)
+
+// Next implements IDGenerator.Next.
+func (s *safeID) Next() int {
+	id := atomic.AddInt64(&s.nextID, 1)
+
+	return int(id)
+}