complete version

box-str-program/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "box-str-program"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+dhat = "0.3.0"
+
+[features]
+dhat-heap = []    # if you are doing heap profiling

box-str-program/src/main.rs

@@ -0,0 +1,6 @@
+fn main() {
+    let boxed_str: Box<str> = "hello".into();
+
+    println!("boxed_str: {}", boxed_str);
+    println!("size of boxed_str on stack: {}", std::mem::size_of_val(&boxed_str));
+}