fix persistent and add test

1 files changed, 10 insertions, 0 deletions

diff --git a/datastructures/test/persistent.cpp b/datastructures/test/persistent.cpp
new file mode 100644
index 0000000..d98569b
--- /dev/null
+++ b/datastructures/test/persistent.cpp
@@ -0,0 +1,10 @@
+#include "../persistent.cpp"
+
+int main() {
+	int time = 0;
+	persistent<int> p(time, 0);
+	p.set(1);
+	int t1 = time;
+	p.set(2);
+	assert(p.get(t1) == 1);
+}