initial commit

exercises/03_ticket_v1/08_stack/Cargo.toml

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+[package]
+name = "stack"
+version = "0.1.0"
+edition = "2021"

exercises/03_ticket_v1/08_stack/src/lib.rs

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+// TODO: based on what you learned in this section, replace `todo!()` with
+//  the correct **stack size** for the respective type.
+#[cfg(test)]
+mod tests {
+    use std::mem::size_of;
+
+    #[test]
+    fn u16_size() {
+        assert_eq!(size_of::<u16>(), todo!());
+    }
+
+    #[test]
+    fn i32_size() {
+        assert_eq!(size_of::<i32>(), todo!());
+    }
+
+    #[test]
+    fn bool_size() {
+        assert_eq!(size_of::<bool>(), todo!());
+    }
+}