4 files changed, 26 insertions, 10 deletions
diff --git a/mingling_macros/src/dispatcher.rs b/mingling_macros/src/dispatcher.rs
index 36bdf31..2a7c850 100644
--- a/mingling_macros/src/dispatcher.rs
+++ b/mingling_macros/src/dispatcher.rs
@@ -217,7 +217,10 @@ pub fn register_dispatcher(input: TokenStream) -> TokenStream {
     } = syn::parse_macro_input!(input as RegisterDispatcherInput);
 
     let node_name_str = node_name.value();
-    let static_name = format!("__internal_dispatcher_{}", snake_case!(node_name_str.clone()));
+    let static_name = format!(
+        "__internal_dispatcher_{}",
+        snake_case!(node_name_str.clone())
+    );
     let static_ident = Ident::new(&static_name, proc_macro2::Span::call_site());
 
     // Register node info in the global collection at compile time
diff --git a/mingling_macros/src/lib.rs b/mingling_macros/src/lib.rs
index 546416d..c82466d 100644
--- a/mingling_macros/src/lib.rs
+++ b/mingling_macros/src/lib.rs
@@ -241,10 +241,27 @@ pub(crate) fn check_duplicate_variant(
 /// Checks if a stored entry string contains the given variant name.
 /// Handles both "StructName => Variant," and "Self::Variant => ..." formats.
 fn entry_has_variant(entry: &str, variant_name: &str) -> bool {
-    entry.contains(&format!("=> {variant_name},"))
-        || entry.contains(&format!("=> {variant_name} "))
-        || entry.contains(&format!("=> {variant_name}"))
-        || entry.contains(&format!(":: {variant_name} =>"))
+    let variant_match = format!("=> {variant_name}");
+
+    // "StructName => Variant," — exact match with trailing comma
+    if entry.contains(&format!("{variant_match},")) {
+        return true;
+    }
+    // "StructName => Variant " — exact match with trailing space
+    if entry.contains(&format!("{variant_match} ")) {
+        return true;
+    }
+    // "StructName => Variant" (fallback) — must NOT be followed by identifier chars
+    if let Some(idx) = entry.find(&variant_match) {
+        let after = idx + variant_match.len();
+        if after >= entry.len()
+            || !entry[after..].starts_with(|c: char| c.is_alphanumeric() || c == '_')
+        {
+            return true;
+        }
+    }
+    // "Self::Variant => ..." — match-arm existence check format
+    entry.contains(&format!(":: {variant_name} =>"))
 }
 
 /// Registers an outside-type as a member of a program group without modifying its definition.
diff --git a/mingling_macros/src/res_injection.rs b/mingling_macros/src/res_injection.rs
index f2952cc..09da889 100644
--- a/mingling_macros/src/res_injection.rs
+++ b/mingling_macros/src/res_injection.rs
@@ -160,10 +160,7 @@ pub(crate) fn generate_immut_resource_bindings<'a>(
 
 /// Generates a unique binding name for a mutable resource variable.
 fn mut_res_binding_name(var_name: &Ident) -> Ident {
-    syn::Ident::new(
-        &format!("__{}_binding", var_name),
-        var_name.span(),
-    )
+    syn::Ident::new(&format!("__{}_binding", var_name), var_name.span())
 }
 
 /// Wraps the function body in nested `__modify_res_and_return_route` closures for
diff --git a/mingling_macros/src/structural_data.rs b/mingling_macros/src/structural_data.rs
index 37fee0f..d556d8c 100644
--- a/mingling_macros/src/structural_data.rs
+++ b/mingling_macros/src/structural_data.rs
@@ -222,7 +222,6 @@ impl syn::parse::Parse for PackStructuralInput {
 /// impl ::mingling::StructuralData for Info {}
 /// ```
 pub(crate) fn group_structural(input: TokenStream) -> TokenStream {
-
     // Parse the same input as group!
     let input_parsed = syn::parse_macro_input!(input as GroupStructuralInput);