Add constructor functions for Rust enum variants

2 files changed, 17 insertions, 7 deletions

diff --git a/examples/03-inductive-data-types/output/rust/src/arithmetic.rs b/examples/03-inductive-data-types/output/rust/src/arithmetic.rs
index a9679dc..d6944a9 100644
--- a/examples/03-inductive-data-types/output/rust/src/arithmetic.rs
+++ b/examples/03-inductive-data-types/output/rust/src/arithmetic.rs
@@ -5,6 +5,16 @@ pub enum Expression {
     Const(crate::arithmetic::Const),
 }
 
+impl Expression {
+    pub fn add(value: crate::arithmetic::Add) -> Self {
+        Self::Add(::std::boxed::Box::new(value))
+    }
+
+    pub fn r#const(value: crate::arithmetic::Const) -> Self {
+        Self::Const(value)
+    }
+}
+
 pub struct Add {
     pub left: crate::arithmetic::Expression,
     pub right: crate::arithmetic::Expression,
diff --git a/examples/03-inductive-data-types/output/rust/src/main.rs b/examples/03-inductive-data-types/output/rust/src/main.rs
index 8c1f750..28f7cec 100644
--- a/examples/03-inductive-data-types/output/rust/src/main.rs
+++ b/examples/03-inductive-data-types/output/rust/src/main.rs
@@ -3,11 +3,11 @@ mod arithmetic;
 use arithmetic::{Add, Const, Expression};
 
 fn main() {
-    let expression = Expression::Add(Box::new(Add {
-        left: Expression::Add(Box::new(Add {
-            left: Expression::Const(Const { value: 42 }),
-            right: Expression::Const(Const { value: 47 }),
-        })),
-        right: Expression::Const(Const { value: 52 }),
-    }));
+    let expression = Expression::add(Add {
+        left: Expression::add(Add {
+            left: Expression::r#const(Const { value: 42 }),
+            right: Expression::r#const(Const { value: 47 }),
+        }),
+        right: Expression::r#const(Const { value: 52 }),
+    });
 }