complete version

box-str-dhat/Cargo.toml

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

box-str-dhat/src/main.rs

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+#[global_allocator]
+static ALLOC: dhat::Alloc = dhat::Alloc;
+
+fn main() {
+    let _profiler = dhat::Profiler::new_heap();
+
+    let boxed_str: Box<str> = "hello".into();
+
+    println!("boxed_str: {}", boxed_str);
+}