add return_value.cc

1 files changed, 18 insertions, 0 deletions

diff --git a/module-test/return_value.cc b/module-test/return_value.cc
new file mode 100644
index 0000000..f80172f
--- /dev/null
+++ b/module-test/return_value.cc
@@ -0,0 +1,18 @@
+/*
+    return specific value
+    $ g++ module-test/return_value.cc -std=c++23
+*/
+
+#include <iostream>
+#include <print>
+#include <string>
+
+using namespace std;
+
+int main(int argc, char **argv)
+{
+    if (argv == nullptr) return 0;
+    if (argv[1] == nullptr) return 0;
+    string s = argv[1];
+    return stoi(s);
+}