1 files changed, 16 insertions, 0 deletions
diff --git a/utils/src/idgen.rs b/utils/src/idgen.rs
new file mode 100644
index 0000000..20f13ff
--- /dev/null
+++ b/utils/src/idgen.rs
@@ -0,0 +1,16 @@
+#[derive(Debug)]
+pub struct IdGen {
+    next: u64,
+}
+
+impl IdGen {
+    pub fn new(start: u64) -> Self {
+        IdGen { next: start }
+    }
+
+    pub fn gen(&mut self) -> u64 {
+        let res = self.next;
+        self.next += 1;
+        res
+    }
+}