formatted docs stderr | missing_debug_impls.rs

Author: Kivooeo

tests/ui/lint/missing-debug-implementations-lint.rs

@@ -1,3 +1,10 @@
+//! Test the `missing_debug_implementations` lint that warns about public types without Debug.
+//!
+//! This lint helps enforce the convention that public types should implement Debug
+//! for better debugging experience, as recommended by RFC 504.
+//!
+//! See https://github.com/rust-lang/rust/issues/20855
+
 //@ compile-flags: --crate-type lib
 #![deny(missing_debug_implementations)]
 #![allow(unused)]
@@ -10,7 +17,6 @@ pub enum A {} //~ ERROR type does not implement `Debug`
 pub enum B {}
 
 pub enum C {}
-
 impl fmt::Debug for C {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         Ok(())
@@ -23,15 +29,14 @@ pub struct Foo; //~ ERROR type does not implement `Debug`
 pub struct Bar;
 
 pub struct Baz;
-
 impl fmt::Debug for Baz {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         Ok(())
     }
 }
 
+// Private types should not trigger the lint
 struct PrivateStruct;
-
 enum PrivateEnum {}
 
 #[derive(Debug)]

tests/ui/lint/missing-debug-implementations-lint.stderr

@@ -1,17 +1,17 @@
 error: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
-  --> $DIR/missing_debug_impls.rs:7:1
+  --> $DIR/missing-debug-implementations-lint.rs:11:1
    |
 LL | pub enum A {}
    | ^^^^^^^^^^^^^
    |
 note: the lint level is defined here
-  --> $DIR/missing_debug_impls.rs:2:9
+  --> $DIR/missing-debug-implementations-lint.rs:6:9
    |
 LL | #![deny(missing_debug_implementations)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: type does not implement `Debug`; consider adding `#[derive(Debug)]` or a manual implementation
-  --> $DIR/missing_debug_impls.rs:20:1
+  --> $DIR/missing-debug-implementations-lint.rs:23:1
    |
 LL | pub struct Foo;
    | ^^^^^^^^^^^^^^^