chore(examples): update rossweisse example

Cargo.toml

@@ -33,7 +33,13 @@ tokio-openssl = { version = "0.6.3", optional = true }
 async-std-openssl = { version = "0.6.3", optional = true }
 
 # Non-blocking I/O
-tokio = { version = "1.26.0", default-features = false, features = ["rt-multi-thread", "sync", "net", "io-util", "macros"], optional = true }
+tokio = { version = "1.26.0", default-features = false, features = [
+  "rt-multi-thread",
+  "sync",
+  "net",
+  "io-util",
+  "macros",
+], optional = true }
 async-trait = "0.1.68"
 async-std = { version = "1.12.0", features = ["attributes"], optional = true }
 
@@ -50,4 +56,4 @@ tree_magic = { version = "0.2.3", optional = true } # MIME
 paste = "1.0.12" # Token Pasting
 
 [dev-dependencies]
-rossweisse = { version = "0.0.2", path = "./rossweisse" }
+rossweisse = { version = "0.0.3", path = "./rossweisse" }

rossweisse/src/implementations/router/fields.rs

@@ -25,17 +25,19 @@ pub fn fields(arguments: TokenStream, item: syn::ItemStruct) -> TokenStream {
   let router_identifier = item.ident;
   let (named_fields, has_fields) = match item.fields {
     syn::Fields::Named(fields) => (fields, true),
-    syn::Fields::Unit => (
-      syn::FieldsNamed {
-        brace_token: syn::token::Brace::default(),
-        named: Default::default(),
-      },
-      false,
-    ),
-    _ => panic!(
-      "`#[rossweisse::router]` can only be used on `struct`s with named \
+    syn::Fields::Unit =>
+      (
+        syn::FieldsNamed {
+          brace_token: syn::token::Brace::default(),
+          named:       Default::default(),
+        },
+        false,
+      ),
+    _ =>
+      panic!(
+        "`#[rossweisse::router]` can only be used on `struct`s with named \
          fields or unit structs"
-    ),
+      ),
   };
   let mut default_expressions = vec![];
   let new_method_fields = named_fields.named.iter().map(|field| {