Move axum-debug into axum-macros (#724)

* Move axum-debug into axum-macros

* fix ref to axum-macros in changelog

* Apply suggestions from code review

Co-authored-by: Jonas Platte <[email protected]>

Co-authored-by: Jonas Platte <[email protected]>

axum-macros/tests/from_request/fail/double_via_attr.rs

@@ -0,0 +1,10 @@
+use axum_macros::FromRequest;
+use axum::extract::Extension;
+
+#[derive(FromRequest)]
+struct Extractor(#[from_request(via(Extension), via(Extension))] State);
+
+#[derive(Clone)]
+struct State;
+
+fn main() {}

axum-macros/tests/from_request/fail/double_via_attr.stderr

@@ -0,0 +1,13 @@
+error: `via` specified more than once
+ --> tests/from_request/fail/double_via_attr.rs:5:49
+  |
+5 | struct Extractor(#[from_request(via(Extension), via(Extension))] State);
+  |                                                 ^^^
+
+warning: unused import: `axum::extract::Extension`
+ --> tests/from_request/fail/double_via_attr.rs:2:5
+  |
+2 | use axum::extract::Extension;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^
+  |
+  = note: `#[warn(unused_imports)]` on by default

axum-macros/tests/from_request/fail/generic.rs

@@ -0,0 +1,6 @@
+use axum_macros::FromRequest;
+
+#[derive(FromRequest)]
+struct Extractor<T>(Option<T>);
+
+fn main() {}

axum-macros/tests/from_request/fail/generic.stderr

@@ -0,0 +1,5 @@
+error: `#[derive(FromRequest)] doesn't support generics
+ --> tests/from_request/fail/generic.rs:4:17
+  |
+4 | struct Extractor<T>(Option<T>);
+  |                 ^^^

axum-macros/tests/from_request/fail/unknown_attr.rs

@@ -0,0 +1,6 @@
+use axum_macros::FromRequest;
+
+#[derive(FromRequest)]
+struct Extractor(#[from_request(foo)] String);
+
+fn main() {}

axum-macros/tests/from_request/fail/unknown_attr.stderr

@@ -0,0 +1,5 @@
+error: expected `via`
+ --> tests/from_request/fail/unknown_attr.rs:4:33
+  |
+4 | struct Extractor(#[from_request(foo)] String);
+  |                                 ^^^

axum-macros/tests/from_request/fail/via_on_container_and_field.rs

@@ -0,0 +1,11 @@
+use axum_macros::FromRequest;
+use axum::extract::Extension;
+
+#[derive(FromRequest)]
+#[from_request(via(Extension))]
+struct Extractor(#[from_request(via(Extension))] State);
+
+#[derive(Clone)]
+struct State;
+
+fn main() {}

axum-macros/tests/from_request/fail/via_on_container_and_field.stderr

@@ -0,0 +1,13 @@
+error: `#[from_request(via(...))]` on a field cannot be used together with `#[from_request(...)]` on the container
+ --> tests/from_request/fail/via_on_container_and_field.rs:6:33
+  |
+6 | struct Extractor(#[from_request(via(Extension))] State);
+  |                                 ^^^
+
+warning: unused import: `axum::extract::Extension`
+ --> tests/from_request/fail/via_on_container_and_field.rs:2:5
+  |
+2 | use axum::extract::Extension;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^
+  |
+  = note: `#[warn(unused_imports)]` on by default