From 6d2594db2da8214c9968bce036a85d5020270c17 Mon Sep 17 00:00:00 2001
From: Alessandro Mauri <alemauri001@gmail.com>
Date: Mon, 30 Jun 2025 13:08:52 +0200
Subject: [PATCH] test id generation with macros

---
 test/test_idgen.c3 | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 test/test_idgen.c3

diff --git a/test/test_idgen.c3 b/test/test_idgen.c3
new file mode 100644
index 0000000..d4709d5
--- /dev/null
+++ b/test/test_idgen.c3
@@ -0,0 +1,30 @@
+import std::io;
+
+alias Id = uint;
+
+fn void foo_ex(Id id)
+{
+	io::printfn("id = %d", id);
+}
+
+
+macro Id @compute_id(...)
+{
+	Id id = (Id)$$LINE.hash() ^ (Id)@str_hash($$FILE);
+	$for var $i = 0; $i < $vacount; $i++:
+		id ^= (Id)$vaconst[$i].hash();
+	$endfor
+	return id;
+}
+
+macro foo(...) => foo_ex(@compute_id($vasplat));
+
+fn int main()
+{
+	foo_ex(1234);
+	foo();
+	foo();
+	foo();
+
+	return 0;
+}
\ No newline at end of file