6 files changed, 77 insertions, 0 deletions
diff --git a/examples/03-sum/output/rust/.gitignore b/examples/03-sum/output/rust/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/examples/03-sum/output/rust/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/examples/03-sum/output/rust/Cargo.lock b/examples/03-sum/output/rust/Cargo.lock
new file mode 100644
index 0000000..9dc6e3e
--- /dev/null
+++ b/examples/03-sum/output/rust/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "example"
+version = "0.1.0"
diff --git a/examples/03-sum/output/rust/Cargo.toml b/examples/03-sum/output/rust/Cargo.toml
new file mode 100644
index 0000000..5d4c622
--- /dev/null
+++ b/examples/03-sum/output/rust/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "example"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/examples/03-sum/output/rust/rust-toolchain.toml b/examples/03-sum/output/rust/rust-toolchain.toml
new file mode 100644
index 0000000..4fedb95
--- /dev/null
+++ b/examples/03-sum/output/rust/rust-toolchain.toml
@@ -0,0 +1,2 @@
+[toolchain]
+channel = "1.96"
diff --git a/examples/03-sum/output/rust/src/lib.rs b/examples/03-sum/output/rust/src/lib.rs
new file mode 100644
index 0000000..f961002
--- /dev/null
+++ b/examples/03-sum/output/rust/src/lib.rs
@@ -0,0 +1,29 @@
+mod shapes;
+
+use shapes::{Rectangle, Shape, Triangle};
+
+fn area(shape: &Shape) -> i32 {
+    match shape {
+        Shape::Rectangle(rectangle) => rectangle.width * rectangle.height,
+        Shape::Triangle(triangle) => triangle.width * triangle.height / 2,
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::shapes::{Rectangle, Shape, Triangle};
+
+    #[test]
+    fn rectangle() {
+        let rectangle = Shape::Rectangle(Rectangle { width: 10, height: 25 });
+        let area = super::area(&rectangle);
+        assert_eq!(area, 250);
+    }
+
+    #[test]
+    fn triangle() {
+        let triangle = Shape::Triangle(Triangle { width: 10, height: 25 });
+        let area = super::area(&triangle);
+        assert_eq!(area, 125);
+    }
+}
diff --git a/examples/03-sum/output/rust/src/shapes.rs b/examples/03-sum/output/rust/src/shapes.rs
new file mode 100644
index 0000000..a0a9b7f
--- /dev/null
+++ b/examples/03-sum/output/rust/src/shapes.rs
@@ -0,0 +1,32 @@
+// Generated by hobgoblin.
+
+/// A 2D shape.
+#[derive(Debug, Hash, PartialEq)]
+pub enum Shape {
+    Rectangle(crate::shapes::Rectangle),
+    Triangle(crate::shapes::Triangle),
+}
+
+impl ::std::convert::From::<crate::shapes::Rectangle> for crate::shapes::Shape {
+    fn from(value: crate::shapes::Rectangle) -> Self {
+        Self::Rectangle(value)
+    }
+}
+
+impl ::std::convert::From::<crate::shapes::Triangle> for crate::shapes::Shape {
+    fn from(value: crate::shapes::Triangle) -> Self {
+        Self::Triangle(value)
+    }
+}
+
+#[derive(Debug, Hash, PartialEq)]
+pub struct Rectangle {
+    pub width: ::core::primitive::i32,
+    pub height: ::core::primitive::i32,
+}
+
+#[derive(Debug, Hash, PartialEq)]
+pub struct Triangle {
+    pub width: ::core::primitive::i32,
+    pub height: ::core::primitive::i32,
+}