Add Clone and Copy to generated Rust types

18 files changed, 52 insertions, 47 deletions

diff --git a/examples/01-struct/output/rust/src/point.rs b/examples/01-struct/output/rust/src/point.rs
index 6a90a6e..6865556 100644
--- a/examples/01-struct/output/rust/src/point.rs
+++ b/examples/01-struct/output/rust/src/point.rs
@@ -1,14 +1,14 @@
 // Generated by hobgoblin.
 
 /// A straight line from one point to another.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Line {
     pub start: crate::point::Point,
     pub end: crate::point::Point,
 }
 
 /// A 2D point.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Point {
     pub x: ::core::primitive::i32,
     pub y: ::core::primitive::i32,
diff --git a/examples/02-struct-singleton/output/rust/src/point.rs b/examples/02-struct-singleton/output/rust/src/point.rs
index 866f0c5..53af3dd 100644
--- a/examples/02-struct-singleton/output/rust/src/point.rs
+++ b/examples/02-struct-singleton/output/rust/src/point.rs
@@ -1,4 +1,4 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Origin;
diff --git a/examples/03-sum/output/rust/src/shapes.rs b/examples/03-sum/output/rust/src/shapes.rs
index a0a9b7f..2712e41 100644
--- a/examples/03-sum/output/rust/src/shapes.rs
+++ b/examples/03-sum/output/rust/src/shapes.rs
@@ -1,7 +1,7 @@
 // Generated by hobgoblin.
 
 /// A 2D shape.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub enum Shape {
     Rectangle(crate::shapes::Rectangle),
     Triangle(crate::shapes::Triangle),
@@ -19,13 +19,13 @@ impl ::std::convert::From::<crate::shapes::Triangle> for crate::shapes::Shape {
     }
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Rectangle {
     pub width: ::core::primitive::i32,
     pub height: ::core::primitive::i32,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Triangle {
     pub width: ::core::primitive::i32,
     pub height: ::core::primitive::i32,
diff --git a/examples/04-inductive-data-types/output/rust/src/arithmetic.rs b/examples/04-inductive-data-types/output/rust/src/arithmetic.rs
index 121c355..248d2c1 100644
--- a/examples/04-inductive-data-types/output/rust/src/arithmetic.rs
+++ b/examples/04-inductive-data-types/output/rust/src/arithmetic.rs
@@ -1,6 +1,6 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, 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, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Add {
     pub left: crate::arithmetic::Expression,
     pub right: crate::arithmetic::Expression,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Const {
     pub value: ::core::primitive::i32,
 }
diff --git a/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/a.rs b/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/a.rs
index 3acec99..1ec823f 100644
--- a/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/a.rs
+++ b/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/a.rs
@@ -1,6 +1,6 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub enum A {
     A1(::std::boxed::Box::<crate::data::a::A1>),
 }
@@ -11,7 +11,7 @@ impl ::std::convert::From::<crate::data::a::A1> for crate::data::a::A {
     }
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct A1 {
     pub b: ::std::option::Option::<crate::data::b::B>,
 }
diff --git a/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/b.rs b/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/b.rs
index 11dee96..38bf8fc 100644
--- a/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/b.rs
+++ b/examples/05-inductive-data-types-separate-namespaces/output/rust/src/data/b.rs
@@ -1,6 +1,6 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct B {
     pub a: ::std::option::Option::<crate::data::a::A>,
 }
diff --git a/examples/06-enum/output/rust/src/numbers.rs b/examples/06-enum/output/rust/src/numbers.rs
index 1c62012..29483ba 100644
--- a/examples/06-enum/output/rust/src/numbers.rs
+++ b/examples/06-enum/output/rust/src/numbers.rs
@@ -1,7 +1,7 @@
 // Generated by hobgoblin.
 
 /// A small number.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Copy, Debug, Hash, PartialEq)]
 pub enum SmallNumber {
     Zero,
     One,
diff --git a/examples/07-list/output/rust/src/point.rs b/examples/07-list/output/rust/src/point.rs
index 2625f9f..ebadf95 100644
--- a/examples/07-list/output/rust/src/point.rs
+++ b/examples/07-list/output/rust/src/point.rs
@@ -1,11 +1,11 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Path {
     pub points: ::std::vec::Vec::<crate::point::Point>,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Point {
     pub x: ::core::primitive::i32,
     pub y: ::core::primitive::i32,
diff --git a/examples/08-native-type/output/rust/src/gen/point.rs b/examples/08-native-type/output/rust/src/gen/point.rs
index d383b15..8561605 100644
--- a/examples/08-native-type/output/rust/src/gen/point.rs
+++ b/examples/08-native-type/output/rust/src/gen/point.rs
@@ -1,7 +1,7 @@
 // Generated by hobgoblin.
 
 /// A straight line from one point to another.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Line {
     pub start: crate::point::Point,
     pub end: crate::point::Point,
diff --git a/examples/08-native-type/output/rust/src/point.rs b/examples/08-native-type/output/rust/src/point.rs
index c5b73d7..3c763e2 100644
--- a/examples/08-native-type/output/rust/src/point.rs
+++ b/examples/08-native-type/output/rust/src/point.rs
@@ -1,4 +1,4 @@
 include!("gen/point.rs");
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Point(pub i32, pub i32);
diff --git a/examples/09-native-type-custom-config/output/rust/src/main.rs b/examples/09-native-type-custom-config/output/rust/src/main.rs
index 10dc437..fa127e8 100644
--- a/examples/09-native-type-custom-config/output/rust/src/main.rs
+++ b/examples/09-native-type-custom-config/output/rust/src/main.rs
@@ -1,6 +1,6 @@
 mod point;
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 struct Point(i32, i32);
 
 #[cfg(test)]
diff --git a/examples/09-native-type-custom-config/output/rust/src/point.rs b/examples/09-native-type-custom-config/output/rust/src/point.rs
index 6ab4330..f25a76f 100644
--- a/examples/09-native-type-custom-config/output/rust/src/point.rs
+++ b/examples/09-native-type-custom-config/output/rust/src/point.rs
@@ -1,7 +1,7 @@
 // Generated by hobgoblin.
 
 /// A straight line from one point to another.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Line {
     pub start: crate::Point,
     pub end: crate::Point,
diff --git a/examples/10-shared/output/rust/src/point.rs b/examples/10-shared/output/rust/src/point.rs
index dea7678..7bc470a 100644
--- a/examples/10-shared/output/rust/src/point.rs
+++ b/examples/10-shared/output/rust/src/point.rs
@@ -1,14 +1,14 @@
 // Generated by hobgoblin.
 
 /// A straight line from one point to another.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Line {
     pub start: ::std::sync::Arc::<crate::point::Point>,
     pub end: ::std::sync::Arc::<crate::point::Point>,
 }
 
 /// A 2D point.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Point {
     pub x: ::core::primitive::i32,
     pub y: ::core::primitive::i32,
diff --git a/examples/11-custom-code/output/rust/src/gen/shapes.rs b/examples/11-custom-code/output/rust/src/gen/shapes.rs
index 815db2a..d1582ad 100644
--- a/examples/11-custom-code/output/rust/src/gen/shapes.rs
+++ b/examples/11-custom-code/output/rust/src/gen/shapes.rs
@@ -1,6 +1,6 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Square {
     pub width: ::core::primitive::i32,
 }
diff --git a/examples/12-imports/output/rust/src/line.rs b/examples/12-imports/output/rust/src/line.rs
index d383b15..8561605 100644
--- a/examples/12-imports/output/rust/src/line.rs
+++ b/examples/12-imports/output/rust/src/line.rs
@@ -1,7 +1,7 @@
 // Generated by hobgoblin.
 
 /// A straight line from one point to another.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Line {
     pub start: crate::point::Point,
     pub end: crate::point::Point,
diff --git a/examples/12-imports/output/rust/src/point.rs b/examples/12-imports/output/rust/src/point.rs
index 943331f..6d9b010 100644
--- a/examples/12-imports/output/rust/src/point.rs
+++ b/examples/12-imports/output/rust/src/point.rs
@@ -1,7 +1,7 @@
 // Generated by hobgoblin.
 
 /// A 2D point.
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct Point {
     pub x: ::core::primitive::i32,
     pub y: ::core::primitive::i32,
diff --git a/examples/13-transient-0/output/rust/src/gen/data.rs b/examples/13-transient-0/output/rust/src/gen/data.rs
index bbaf4e7..50a0673 100644
--- a/examples/13-transient-0/output/rust/src/gen/data.rs
+++ b/examples/13-transient-0/output/rust/src/gen/data.rs
@@ -1,70 +1,70 @@
 // Generated by hobgoblin.
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructSingleton;
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithBool {
     pub a: ::core::primitive::bool,
     pub b: ::core::primitive::bool,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithInt8 {
     pub a: ::core::primitive::i8,
     pub b: ::core::primitive::i8,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithInt32 {
     pub a: ::core::primitive::i32,
     pub b: ::core::primitive::i32,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithInt64 {
     pub a: ::core::primitive::i64,
     pub b: ::core::primitive::i64,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithString {
     pub a: ::std::string::String,
     pub b: ::std::string::String,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithStruct {
     pub inner: crate::data::StructWithInt32,
     pub c: ::core::primitive::i32,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithList {
     pub a: ::std::vec::Vec::<::core::primitive::i64>,
     pub b: ::std::vec::Vec::<crate::data::StructWithInt32>,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithOption {
     pub a: ::std::option::Option::<::core::primitive::i64>,
     pub b: ::std::option::Option::<crate::data::StructWithInt32>,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Copy, Debug, Hash, PartialEq)]
 pub enum EnumWithVariants {
     Zero,
     One,
     Two,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithEnum {
     pub inner: crate::data::EnumWithVariants,
     pub c: ::core::primitive::i32,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub enum SumWithVariants {
     VariantOne(crate::data::VariantOne),
     VariantTwo(crate::data::VariantTwo),
@@ -82,35 +82,35 @@ impl ::std::convert::From::<crate::data::VariantTwo> for crate::data::SumWithVar
     }
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct VariantOne {
     pub a: ::core::primitive::i32,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct VariantTwo {
     pub a: ::core::primitive::i64,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithSum {
     pub inner: crate::data::SumWithVariants,
     pub b: ::core::primitive::i32,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithListOfShared {
     pub inner: ::std::vec::Vec::<::std::sync::Arc::<crate::data::StructWithInt32>>,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithDifferentSharedTypes {
     pub a: ::std::sync::Arc::<crate::data::StructWithInt32>,
     pub b: ::std::sync::Arc::<crate::data::StructWithInt64>,
     pub c: ::std::sync::Arc::<crate::data::StructWithInt32>,
 }
 
-#[derive(Debug, Hash, PartialEq)]
+#[derive(Clone, Debug, Hash, PartialEq)]
 pub struct StructWithSharedSumAndVariant {
     pub a: ::std::sync::Arc::<crate::data::SumWithVariants>,
     pub b: ::std::sync::Arc::<crate::data::VariantOne>,
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttypes/RustTypesGenerator.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttypes/RustTypesGenerator.java
index 39a0b8b..0aaa723 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttypes/RustTypesGenerator.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/rusttypes/RustTypesGenerator.java
@@ -93,7 +93,7 @@ public class RustTypesGenerator implements Generator {
         TypedEnumDefinitionNode enumDefinition,
         Context context
     ) {
-        var rustAttributes = List.of(DERIVE_ATTRIBUTE);
+        var rustAttributes = List.of(ENUM_DERIVE_ATTRIBUTE);
 
         var rustEnumName = this.rustGenerator.generateTypeName(enumDefinition.name());
 
@@ -114,16 +114,21 @@ public class RustTypesGenerator implements Generator {
         return List.of(rustEnum);
     }
 
-    private static final RustOuterAttribute DERIVE_ATTRIBUTE = new RustOuterAttribute(
+    private static final RustOuterAttribute ENUM_DERIVE_ATTRIBUTE = new RustOuterAttribute(
         RustPath.of("derive"),
-        Optional.of("(Debug, Hash, PartialEq)")
+        Optional.of("(Clone, Copy, Debug, Hash, PartialEq)")
+    );
+
+    private static final RustOuterAttribute STRUCT_DERIVE_ATTRIBUTE = new RustOuterAttribute(
+        RustPath.of("derive"),
+        Optional.of("(Clone, Debug, Hash, PartialEq)")
     );
 
     private List<RustItem> generateStructDefinition(
         TypedStructDefinitionNode structDefinition,
         Context context
     ) {
-        var rustAttributes = List.of(DERIVE_ATTRIBUTE);
+        var rustAttributes = List.of(STRUCT_DERIVE_ATTRIBUTE);
 
         var rustStructName = this.rustGenerator.generateTypeName(structDefinition.name());
 
@@ -150,7 +155,7 @@ public class RustTypesGenerator implements Generator {
         TypedSumDefinitionNode sumDefinition,
         Context context
     ) {
-        var rustAttributes = List.of(DERIVE_ATTRIBUTE);
+        var rustAttributes = List.of(STRUCT_DERIVE_ATTRIBUTE);
 
         var items = new ArrayList<RustItem>();