1 files changed, 38 insertions, 0 deletions
diff --git a/syn/codegen/src/operand.rs b/syn/codegen/src/operand.rs
new file mode 100644
index 0000000..db3bd18
--- /dev/null
+++ b/syn/codegen/src/operand.rs
@@ -0,0 +1,38 @@
+use proc_macro2::TokenStream;
+use quote::quote;
+
+pub enum Operand {
+    Borrowed(TokenStream),
+    Owned(TokenStream),
+}
+
+pub use self::Operand::*;
+
+impl Operand {
+    pub fn tokens(&self) -> &TokenStream {
+        match self {
+            Borrowed(n) | Owned(n) => n,
+        }
+    }
+
+    pub fn ref_tokens(&self) -> TokenStream {
+        match self {
+            Borrowed(n) => n.clone(),
+            Owned(n) => quote!(&#n),
+        }
+    }
+
+    pub fn ref_mut_tokens(&self) -> TokenStream {
+        match self {
+            Borrowed(n) => n.clone(),
+            Owned(n) => quote!(&mut #n),
+        }
+    }
+
+    pub fn owned_tokens(&self) -> TokenStream {
+        match self {
+            Borrowed(n) => quote!(*#n),
+            Owned(n) => n.clone(),
+        }
+    }
+}