Added state type to router macro

Removed state () from Router

src/axum/app.rs

@@ -42,8 +42,13 @@ impl AppBuilder {
         Self::default()
     }
 
-    pub fn routes(mut self, routes: &[Router]) -> Self {
-        self.router = routes.iter().cloned().fold(self.router, Router::merge);
+    pub fn route(mut self, route: Router) -> Self {
+        self.router = self.router.merge(route);
+        self
+    }
+
+    pub fn routes(mut self, routes: impl IntoIterator<Item = Router>) -> Self {
+        self.router = routes.into_iter().fold(self.router, Router::merge);
         self
     }
 
@@ -147,7 +152,7 @@ mod tests {
             let handler = tokio::spawn(async {
                 AppBuilder::new()
                     .socket((Ipv4Addr::LOCALHOST, 8080))
-                    .routes(&[Router::new()])
+                    .routes([Router::new()])
                     .fallback(|| async { "Fallback" })
                     .cors(CorsLayer::new())
                     .normalize_path(true)

src/axum/router.rs

@@ -21,13 +21,21 @@
 #[cfg(feature = "axum")]
 macro_rules! router {
     ($body:expr) => {
-        pub(crate) fn router() -> axum::Router<()> {
+        pub(crate) fn router() -> axum::Router {
+            $body
+        }
+    };
+    ($body:expr; $state:ty) => {
+        pub(crate) fn router() -> axum::Router<$state> {
             $body
         }
     };
     ($route:expr, $router:expr) => {
         router!(axum::Router::new().nest($route, $router));
     };
+    ($route:expr, $router:expr, $state:ty) => {
+        router!(axum::Router::new().nest($route, $router); $state);
+    };
     ($($method:ident $route:expr => $func:expr),* $(,)?) => {
         router!($crate::routes!($($method $route => $func),*));
     };
@@ -66,6 +74,7 @@ macro_rules! join_routes {
 
 #[cfg(all(test, feature = "axum"))]
 mod tests {
+    use axum::extract::State;
     use axum::Router;
 
     async fn index() {}
@@ -94,6 +103,18 @@ mod tests {
         );
     }
 
+    #[test]
+    fn test_nested_router_with_state() {
+        router!(
+            "/simplify",
+            routes!(
+                get "/:exp" => || async {},
+                get "/table/:exp" => |_state: State<String>| async {}
+            ),
+            String
+        );
+    }
+
     #[test]
     fn test_routes() {
         let _router: Router<()> = routes!(
@@ -104,6 +125,6 @@ mod tests {
 
     #[test]
     fn test_join_routes() {
-        let _router: Router<()> = join_routes![Router::new(), Router::new()];
+        let _router: Router = join_routes![Router::new(), Router::new()];
     }
 }

src/lib.rs

@@ -4,6 +4,7 @@ pub mod axum;
 pub mod io;
 pub mod nom;
 pub mod serde;
+mod traits;
 pub mod vector;
 
 #[cfg(feature = "derive")]

src/nom/util.rs

@@ -1,11 +1,8 @@
 #[cfg(feature = "nom")]
-use nom::{error::Error, IResult};
-
-#[cfg(feature = "nom")]
-pub trait IntoResult<T> {
-    type Error;
-    fn into_result(self) -> Result<T, Self::Error>;
-}
+use {
+    crate::traits::IntoResult,
+    nom::{error::Error, IResult},
+};
 
 #[cfg(feature = "nom")]
 impl<T, R> IntoResult<T> for IResult<R, T> {
@@ -17,9 +14,10 @@ impl<T, R> IntoResult<T> for IResult<R, T> {
 
 #[cfg(all(test, feature = "nom"))]
 mod tests {
-    use super::*;
     use nom::character::complete::char as c;
 
+    use super::*;
+
     fn parse_char(input: &str) -> IResult<&str, char> {
         c('A')(input)
     }

src/traits.rs

@@ -0,0 +1,5 @@
+/// Converts a type T into a Result<T, E>
+pub trait IntoResult<T> {
+    type Error;
+    fn into_result(self) -> Result<T, Self::Error>;
+}