feat!:rework blanket impls, support IntoResponse types

Author: matteopolak

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "axum-codec"
-version = "0.0.6"
+version = "0.0.7"
 edition = "2021"
 description = "A multi-codec extractor and response writer for Axum"
 license = "MIT OR Apache-2.0"
@@ -13,7 +13,7 @@ members = ["macros", ".", "examples/aide-validator", "examples/basic"]
 [dependencies]
 aide = { version = "0.13", optional = true, default-features = false, features = ["axum"] }
 axum = { version = "0.7", default-features = false }
-axum-codec-macros = { path = "macros", version = "0.0.4", optional = true }
+axum-codec-macros = { path = "macros", version = "0.0.5" }
 bincode = { version = "2.0.0-rc.3", default-features = false, features = ["std"], optional = true }
 bitcode = { version = "0.6", default-features = false, optional = true }
 ciborium = { version = "0.2", optional = true }
@@ -40,27 +40,27 @@ default = ["json", "macros", "pretty-errors"]
 
 # Enables all codecs
 full-codecs = ["bincode", "bitcode", "cbor", "json", "msgpack", "toml", "yaml"]
-macros = ["dep:axum-codec-macros", "schemars?/derive", "bincode?/derive", "bitcode?/derive", "serde?/derive", "validator?/derive"]
+macros = ["schemars?/derive", "bincode?/derive", "bitcode?/derive", "serde?/derive", "validator?/derive"]
 
 # Enables support for {get,put,..}_with and relevant chaning methods
 # to add documentation to routes
-aide = ["dep:aide", "dep:schemars", "axum-codec-macros?/aide", "axum/json", "axum/form", "axum/original-uri", "axum/query", "axum/tokio", "axum/matched-path"]
+aide = ["dep:aide", "dep:schemars", "axum-codec-macros/aide", "axum/json", "axum/form", "axum/original-uri", "axum/query", "axum/tokio", "axum/matched-path"]
 
 # Enables support for `validator`, adds an additional `validator::Validate` bound to `T` in `Codec<T>`
-validator = ["dep:validator", "axum-codec-macros?/validator"]
+validator = ["dep:validator", "axum-codec-macros/validator"]
 
 # Enables more verbose (and expensive) error handling machinery, but significantly
 # improves the quality of error messages for consumers of the API.
 pretty-errors = ["macros"]
 
-bincode = ["dep:bincode", "axum-codec-macros?/bincode"]
-bitcode = ["dep:bitcode", "axum-codec-macros?/bitcode"]
+bincode = ["dep:bincode", "axum-codec-macros/bincode"]
+bitcode = ["dep:bitcode", "axum-codec-macros/bitcode"]
 cbor = ["dep:ciborium", "serde"]
 json = ["dep:serde_json", "serde"]
 msgpack = ["dep:rmp-serde", "serde"]
 toml = ["dep:toml", "serde"]
 yaml = ["dep:serde_yaml", "serde"]
 
 # Should not be manually enabled, but will not cause any issues if it is.
-serde = ["dep:serde", "axum-codec-macros?/serde"]
+serde = ["dep:serde", "axum-codec-macros/serde"]
 

README.md

@@ -54,11 +54,11 @@ struct User {
   age: u8,
 }
 
-async fn me() -> User {
-  User {
+async fn me() -> Codec<User> {
+  Codec(User {
     name: "Alice".into(),
     age: 42,
-  }
+  })
 }
 
 /// A manual implementation of the handler above.
@@ -77,9 +77,9 @@ struct Greeting {
 
 /// Specify `impl IntoCodecResponse`, similar to `axum`
 async fn greet(Codec(user): Codec<User>) -> impl IntoCodecResponse {
-  Greeting {
+  Codec(Greeting {
     message: format!("Hello, {}! You are {} years old.", user.name, user.age),
-  }
+  })
 }
 
 #[tokio::main]

examples/aide-validator/src/main.rs

@@ -3,6 +3,7 @@ use std::sync::Arc;
 use aide::axum::ApiRouter;
 use axum::{extract::State, response::IntoResponse, Extension};
 use axum_codec::{
+	handler::IntoCodecResponse,
 	routing::{get, post},
 	Codec,
 };
@@ -14,26 +15,26 @@ struct User {
 	age: u8,
 }
 
-async fn me() -> User {
-	User {
+async fn me() -> impl IntoCodecResponse {
+	Codec(User {
 		name: "Alice".into(),
 		age: 42,
-	}
+	})
 }
 
 #[axum_codec::apply(encode)]
 struct Greeting {
 	message: String,
 }
 
-async fn greet(Codec(user): Codec<User>) -> Greeting {
-	Greeting {
+async fn greet(Codec(user): Codec<User>) -> Codec<Greeting> {
+	Codec(Greeting {
 		message: format!("Hello, {}! You are {} years old.", user.name, user.age),
-	}
+	})
 }
 
-async fn state(State(state): State<String>) -> Greeting {
-	Greeting { message: state }
+async fn state(State(state): State<String>) -> Codec<Greeting> {
+	Codec(Greeting { message: state })
 }
 
 async fn openapi(Extension(api): Extension<Arc<aide::openapi::OpenApi>>) -> impl IntoResponse {

examples/basic/src/main.rs

@@ -17,25 +17,25 @@ struct User {
 }
 
 async fn me() -> impl IntoCodecResponse {
-	User {
+	Codec(User {
 		name: "Alice".into(),
 		age: 42,
-	}
+	})
 }
 
 #[axum_codec::apply(encode)]
 struct Greeting {
 	message: String,
 }
 
-async fn greet(Codec(user): Codec<User>) -> Greeting {
-	Greeting {
+async fn greet(Codec(user): Codec<User>) -> Codec<Greeting> {
+	Codec(Greeting {
 		message: format!("Hello, {}! You are {} years old.", user.name, user.age),
-	}
+	})
 }
 
-async fn state(State(state): State<String>) -> Greeting {
-	Greeting { message: state }
+async fn state(State(state): State<String>) -> Codec<Greeting> {
+	Codec(Greeting { message: state })
 }
 
 #[tokio::main]

macros/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "axum-codec-macros"
-version = "0.0.4"
+version = "0.0.5"
 edition = "2021"
 description = "Procedural macros for axum-codec"
 license = "MIT OR Apache-2.0"
@@ -11,13 +11,14 @@ repository = "https://github.com/matteopolak/axum-codec"
 proc-macro = true
 
 [dependencies]
+proc-macro2 = "1"
 quote = "1"
-syn = "2"
+syn = { version = "2", optional = true }
 
 [features]
-bincode = []
-bitcode = []
-serde = []
-aide = []
-validator = []
+bincode = ["dep:syn"]
+bitcode = ["dep:syn"]
+serde = ["dep:syn"]
+aide = ["dep:syn"]
+validator = ["dep:syn"]