diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 3163d9b..63f8a71 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -42,7 +42,7 @@ jobs:
         run: cargo test --workspace --all-targets --all-features
 
   run:
-    name: 3. Run default Rust crate
+    name: 3. Run all Rust binaries
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
@@ -50,8 +50,11 @@ jobs:
         with:
           toolchain: nightly
           components: cargo,clippy,rustfmt
-      - name: Run default Rust crate
-        run: # cargo run --all-features --bin-name TODO
+      - name: Run all Rust binaries
+        # If we ever add more than two binaries, detect them all automatically
+        run: |
+          cargo run --bin cpp-string-overload
+          cargo run --bin rust-string-overload
 
   clippy-rust:
     name: 4. Clippy lints on Rust crates
diff --git a/Cargo.lock b/Cargo.lock
index 9642727..e5246d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,16 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
+[[package]]
+name = "cc"
+version = "1.2.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5d6cac793997bd970000024b2934968efe83b382de4fdcf4fcb46b6ee4ad996"
+dependencies = [
+ "find-msvc-tools",
+ "shlex",
+]
+
 [[package]]
 name = "cpp"
 version = "0.5.11"
@@ -31,6 +41,21 @@ name = "cpp-string-overload"
 version = "0.0.0"
 dependencies = [
  "cpp",
+ "cpp_build",
+]
+
+[[package]]
+name = "cpp_build"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f6fed3200ba0708c2adca5f6ed5ae202edd824bd4cbac7935a85edac9bcddce"
+dependencies = [
+ "cc",
+ "cpp_common",
+ "proc-macro2",
+ "regex",
+ "syn",
+ "unicode-xid",
 ]
 
 [[package]]
@@ -57,6 +82,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "find-msvc-tools"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582"
+
 [[package]]
 name = "memchr"
 version = "2.8.3"
@@ -81,6 +112,41 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a0e75113e14dc5acb068cd0786884f214f1312650a3d36d269f5c4f3cdee8a2"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f388202e4b80542a0921078cc23b6333bcf1409c1e3f86404cae4766a6131db"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
+
+[[package]]
+name = "shlex"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8fadd59c855ef2080decdef8ff161eb6661b86933c9d82e5ba29dc602a55aba"
+
 [[package]]
 name = "syn"
 version = "2.0.118"
@@ -97,3 +163,9 @@ name = "unicode-ident"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
diff --git a/Cargo.toml b/Cargo.toml
index d7bff37..3cfd34f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,3 +28,4 @@ rust-version = "1.99"
 
 [workspace.dependencies]
 cpp = "0.5.11"
+cpp_build = "0.5.11"
diff --git a/README.md b/README.md
index c113b17..6427d92 100644
--- a/README.md
+++ b/README.md
@@ -12,4 +12,5 @@ git clone https://github.com/rustfoundation/overloading-examples
 cd overloading-examples
 rustup override set nightly
 cargo run
+cargo run --bin rust-string-overload
 ```
diff --git a/cpp-string-overload/Cargo.toml b/cpp-string-overload/Cargo.toml
index fc62acc..faf91b1 100644
--- a/cpp-string-overload/Cargo.toml
+++ b/cpp-string-overload/Cargo.toml
@@ -14,3 +14,6 @@ rust-version.workspace = true
 
 [dependencies]
 cpp.workspace = true
+
+[build-dependencies]
+cpp_build.workspace = true
diff --git a/cpp-string-overload/build.rs b/cpp-string-overload/build.rs
new file mode 100644
index 0000000..f793c81
--- /dev/null
+++ b/cpp-string-overload/build.rs
@@ -0,0 +1,3 @@
+fn main() {
+    cpp_build::build("src/bin/cpp-string-overload.rs");
+}
diff --git a/cpp-string-overload/src/bin/cpp-string-overload.rs b/cpp-string-overload/src/bin/cpp-string-overload.rs
index 46669e4..de86ae7 100644
--- a/cpp-string-overload/src/bin/cpp-string-overload.rs
+++ b/cpp-string-overload/src/bin/cpp-string-overload.rs
@@ -1,3 +1,15 @@
+use cpp::cpp;
+
+cpp! {{
+    #include <iostream>
+}}
+
 fn main() {
-    println!("This does nothing yet");
+    println!("This does nothing in Rust yet");
+
+    unsafe {
+        cpp!([] -> () as "void" {
+            std::cout << "This does nothing in C++ yet" << std::endl;
+        });
+    }
 }
diff --git a/cpp-string-overload/src/bin/rust-string-overload.rs b/cpp-string-overload/src/bin/rust-string-overload.rs
index 46669e4..c73ed68 100644
--- a/cpp-string-overload/src/bin/rust-string-overload.rs
+++ b/cpp-string-overload/src/bin/rust-string-overload.rs
@@ -1,3 +1,3 @@
 fn main() {
-    println!("This does nothing yet");
+    println!("This does nothing in Rust yet");
 }