Derive Hash for generated Rust types

1 files changed, 3 insertions, 3 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 9461bc4..121c355 100644
--- a/examples/03-inductive-data-types/output/rust/src/arithmetic.rs
+++ b/examples/03-inductive-data-types/output/rust/src/arithmetic.rs
@@ -1,6 +1,6 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Hash, PartialEq)]
 pub enum Expression {
     Add(::std::boxed::Box::<crate::arithmetic::Add>),
     Const(crate::arithmetic::Const),
@@ -18,13 +18,13 @@ impl ::std::convert::From::<crate::arithmetic::Const> for crate::arithmetic::Exp
     }
 }
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Hash, PartialEq)]
 pub struct Add {
     pub left: crate::arithmetic::Expression,
     pub right: crate::arithmetic::Expression,
 }
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, Hash, PartialEq)]
 pub struct Const {
     pub value: ::core::primitive::i32,
 }