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-rw-r--r--lang/zig/allowzero.zig7
1 files changed, 7 insertions, 0 deletions
diff --git a/lang/zig/allowzero.zig b/lang/zig/allowzero.zig
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+++ b/lang/zig/allowzero.zig
@@ -0,0 +1,7 @@
+const expect = @import("std").testing.expect;
+
+test "allowzero" {
+    var zero: usize = 0;
+    var ptr = @intToPtr(*allowzero i32, zero);
+    expect(@ptrToInt(ptr) == 0);
+}