go.mod: update all deps

1 files changed, 11 insertions, 0 deletions

diff --git a/internal/generation_num/generation_num.go b/internal/generation_num/generation_num.go
new file mode 100644
index 0000000..298db14
--- /dev/null
+++ b/internal/generation_num/generation_num.go
@@ -0,0 +1,11 @@
+package generation_num
+
+import (
+	"sync/atomic"
+)
+
+var gen uint64
+
+func Next() uint64 {
+	return atomic.AddUint64(&gen, 1)
+}