1 files changed, 11 insertions, 0 deletions
diff --git a/mingling_macros/src/func/empty_result.rs b/mingling_macros/src/func/empty_result.rs
new file mode 100644
index 0000000..9b5c78c
--- /dev/null
+++ b/mingling_macros/src/func/empty_result.rs
@@ -0,0 +1,11 @@
+use proc_macro::TokenStream;
+use quote::quote;
+
+/// Creates an empty result value wrapped in `ChainProcess` for early return
+/// from a chain function.
+pub(crate) fn empty_result(_input: TokenStream) -> TokenStream {
+    let expanded = quote! {
+        <crate::ResultEmpty as ::mingling::Routable::<crate::ThisProgram>>::to_chain(crate::ResultEmpty)
+    };
+    TokenStream::from(expanded)
+}