rules-rust: add interoperability tutorials

1 files changed, 14 insertions, 0 deletions

diff --git a/doc/interoperability/rust-from-c/main.c b/doc/interoperability/rust-from-c/main.c
new file mode 100644
index 0000000..fb29b38
--- /dev/null
+++ b/doc/interoperability/rust-from-c/main.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "foo/foo.h"
+
+int main(int argc, char **argv) {
+  if (argc < 2) {
+    fprintf(stderr, "Please provide one number as argument\n");
+    exit(1);
+  }
+  int x = atoi(argv[1]);
+  printf("absolute value of %d is %d\n", x, foo(x));
+  return 0;
+}