Rollup merge of #105506 - estebank:rustc_must_implement_one_of, r=com…

…piler-errors

Tweak `rustc_must_implement_one_of` diagnostic output

compiler/rustc_hir_analysis/src/collect.rs

@@ -955,7 +955,7 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: DefId) -> ty::TraitDef {
                     .struct_span_err(
                         attr.span,
                         "the `#[rustc_must_implement_one_of]` attribute must be \
-                        used with at least 2 args",
+                         used with at least 2 args",
                     )
                     .emit();
 
@@ -987,7 +987,7 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: DefId) -> ty::TraitDef {
                             tcx.sess
                                 .struct_span_err(
                                     item.span,
-                                    "This function doesn't have a default implementation",
+                                    "function doesn't have a default implementation",
                                 )
                                 .span_note(attr_span, "required by this annotation")
                                 .emit();
@@ -999,17 +999,17 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: DefId) -> ty::TraitDef {
                     }
                     Some(item) => {
                         tcx.sess
-                            .struct_span_err(item.span, "Not a function")
+                            .struct_span_err(item.span, "not a function")
                             .span_note(attr_span, "required by this annotation")
                             .note(
-                                "All `#[rustc_must_implement_one_of]` arguments \
-                            must be associated function names",
+                                "all `#[rustc_must_implement_one_of]` arguments must be associated \
+                                 function names",
                             )
                             .emit();
                     }
                     None => {
                         tcx.sess
-                            .struct_span_err(ident.span, "Function not found in this trait")
+                            .struct_span_err(ident.span, "function not found in this trait")
                             .emit();
                     }
                 }
@@ -1027,11 +1027,8 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: DefId) -> ty::TraitDef {
             for ident in &*list {
                 if let Some(dup) = set.insert(ident.name, ident.span) {
                     tcx.sess
-                        .struct_span_err(vec![dup, ident.span], "Functions names are duplicated")
-                        .note(
-                            "All `#[rustc_must_implement_one_of]` arguments \
-                            must be unique",
-                        )
+                        .struct_span_err(vec![dup, ident.span], "functions names are duplicated")
+                        .note("all `#[rustc_must_implement_one_of]` arguments must be unique")
                         .emit();
 
                     no_dups = false;

src/test/ui/traits/default-method/rustc_must_implement_one_of_duplicates.rs

@@ -1,15 +1,15 @@
 #![feature(rustc_attrs)]
 
 #[rustc_must_implement_one_of(a, a)]
-//~^ Functions names are duplicated
+//~^ functions names are duplicated
 trait Trait {
     fn a() {}
 }
 
 #[rustc_must_implement_one_of(b, a, a, c, b, c)]
-//~^ Functions names are duplicated
-//~| Functions names are duplicated
-//~| Functions names are duplicated
+//~^ functions names are duplicated
+//~| functions names are duplicated
+//~| functions names are duplicated
 trait Trait1 {
     fn a() {}
     fn b() {}

src/test/ui/traits/default-method/rustc_must_implement_one_of_duplicates.stderr

@@ -1,34 +1,34 @@
-error: Functions names are duplicated
+error: functions names are duplicated
   --> $DIR/rustc_must_implement_one_of_duplicates.rs:3:31
    |
 LL | #[rustc_must_implement_one_of(a, a)]
    |                               ^  ^
    |
-   = note: All `#[rustc_must_implement_one_of]` arguments must be unique
+   = note: all `#[rustc_must_implement_one_of]` arguments must be unique
 
-error: Functions names are duplicated
+error: functions names are duplicated
   --> $DIR/rustc_must_implement_one_of_duplicates.rs:9:34
    |
 LL | #[rustc_must_implement_one_of(b, a, a, c, b, c)]
    |                                  ^  ^
    |
-   = note: All `#[rustc_must_implement_one_of]` arguments must be unique
+   = note: all `#[rustc_must_implement_one_of]` arguments must be unique
 
-error: Functions names are duplicated
+error: functions names are duplicated
   --> $DIR/rustc_must_implement_one_of_duplicates.rs:9:31
    |
 LL | #[rustc_must_implement_one_of(b, a, a, c, b, c)]
    |                               ^           ^
    |
-   = note: All `#[rustc_must_implement_one_of]` arguments must be unique
+   = note: all `#[rustc_must_implement_one_of]` arguments must be unique
 
-error: Functions names are duplicated
+error: functions names are duplicated
   --> $DIR/rustc_must_implement_one_of_duplicates.rs:9:40
    |
 LL | #[rustc_must_implement_one_of(b, a, a, c, b, c)]
    |                                        ^     ^
    |
-   = note: All `#[rustc_must_implement_one_of]` arguments must be unique
+   = note: all `#[rustc_must_implement_one_of]` arguments must be unique
 
 error: aborting due to 4 previous errors
 

src/test/ui/traits/default-method/rustc_must_implement_one_of_misuse.rs

@@ -1,12 +1,12 @@
 #![feature(rustc_attrs)]
 
 #[rustc_must_implement_one_of(a, b)]
-//~^ Function not found in this trait
-//~| Function not found in this trait
+//~^ function not found in this trait
+//~| function not found in this trait
 trait Tr0 {}
 
 #[rustc_must_implement_one_of(a, b)]
-//~^ Function not found in this trait
+//~^ function not found in this trait
 trait Tr1 {
     fn a() {}
 }
@@ -23,16 +23,16 @@ trait Tr3 {}
 
 #[rustc_must_implement_one_of(A, B)]
 trait Tr4 {
-    const A: u8 = 1; //~ Not a function
+    const A: u8 = 1; //~ not a function
 
-    type B; //~ Not a function
+    type B; //~ not a function
 }
 
 #[rustc_must_implement_one_of(a, b)]
 trait Tr5 {
-    fn a(); //~ This function doesn't have a default implementation
+    fn a(); //~ function doesn't have a default implementation
 
-    fn b(); //~ This function doesn't have a default implementation
+    fn b(); //~ function doesn't have a default implementation
 }
 
 #[rustc_must_implement_one_of(abc, xyz)]

src/test/ui/traits/default-method/rustc_must_implement_one_of_misuse.stderr

@@ -22,19 +22,19 @@ LL |
 LL | struct Struct {}
    | ---------------- not a trait
 
-error: Function not found in this trait
+error: function not found in this trait
   --> $DIR/rustc_must_implement_one_of_misuse.rs:3:31
    |
 LL | #[rustc_must_implement_one_of(a, b)]
    |                               ^
 
-error: Function not found in this trait
+error: function not found in this trait
   --> $DIR/rustc_must_implement_one_of_misuse.rs:3:34
    |
 LL | #[rustc_must_implement_one_of(a, b)]
    |                                  ^
 
-error: Function not found in this trait
+error: function not found in this trait
   --> $DIR/rustc_must_implement_one_of_misuse.rs:8:34
    |
 LL | #[rustc_must_implement_one_of(a, b)]
@@ -46,7 +46,7 @@ error: the `#[rustc_must_implement_one_of]` attribute must be used with at least
 LL | #[rustc_must_implement_one_of(a)]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Not a function
+error: not a function
   --> $DIR/rustc_must_implement_one_of_misuse.rs:26:5
    |
 LL |     const A: u8 = 1;
@@ -57,9 +57,9 @@ note: required by this annotation
    |
 LL | #[rustc_must_implement_one_of(A, B)]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: All `#[rustc_must_implement_one_of]` arguments must be associated function names
+   = note: all `#[rustc_must_implement_one_of]` arguments must be associated function names
 
-error: Not a function
+error: not a function
   --> $DIR/rustc_must_implement_one_of_misuse.rs:28:5
    |
 LL |     type B;
@@ -70,9 +70,9 @@ note: required by this annotation
    |
 LL | #[rustc_must_implement_one_of(A, B)]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = note: All `#[rustc_must_implement_one_of]` arguments must be associated function names
+   = note: all `#[rustc_must_implement_one_of]` arguments must be associated function names
 
-error: This function doesn't have a default implementation
+error: function doesn't have a default implementation
   --> $DIR/rustc_must_implement_one_of_misuse.rs:33:5
    |
 LL |     fn a();
@@ -84,7 +84,7 @@ note: required by this annotation
 LL | #[rustc_must_implement_one_of(a, b)]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: This function doesn't have a default implementation
+error: function doesn't have a default implementation
   --> $DIR/rustc_must_implement_one_of_misuse.rs:35:5
    |
 LL |     fn b();