complete version

string-program/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "string-program"
+version = "0.1.0"

string-program/Cargo.toml

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+[package]
+name = "string-program"
+version = "0.1.0"
+edition = "2021"

string-program/src/main.rs

@@ -0,0 +1,5 @@
+fn main() {
+    let s = String::from("hello!");
+    println!("{}", s);
+    println!("size of string on stack: {}", std::mem::size_of_val(&s));
+}