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authorEsteban Küber <esteban@kuber.com.ar>2024-10-24 21:14:17 +0000
committerEsteban Küber <esteban@kuber.com.ar>2024-10-29 16:26:57 +0000
commit5b542866400ad4a294f468cfa7e059d95c27a079 (patch)
tree9b6d681e3e95f2b45b2d9ceb0996d4344ce1b3d3 /tests/ui/deriving
parent2dece5bb62f234f5622a08289c5a3d1555cd7843 (diff)
downloadrust-5b542866400ad4a294f468cfa7e059d95c27a079.tar.gz
rust-5b542866400ad4a294f468cfa7e059d95c27a079.zip
Remove detail from label/note that is already available in other note
Remove the "which is required by `{root_obligation}`" post-script in
"the trait `X` is not implemented for `Y`" explanation in E0277. This
information is already conveyed in the notes explaining requirements,
making it redundant while making the text (particularly in labels)
harder to read.

```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
  --> $DIR/wf-static-type.rs:10:13
   |
LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
   |             ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
   |
   = note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
  --> $DIR/wf-static-type.rs:7:17
   |
LL | struct IsCopy<T:Copy> { t: T }
   |                 ^^^^ required by this bound in `IsCopy`
```
vs the prior

```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
  --> $DIR/wf-static-type.rs:10:13
   |
LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
   |             ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
   |
   = note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
  --> $DIR/wf-static-type.rs:7:17
   |
LL | struct IsCopy<T:Copy> { t: T }
   |                 ^^^^ required by this bound in `IsCopy`
```
Diffstat (limited to 'tests/ui/deriving')
-rw-r--r--tests/ui/deriving/issue-103157.stderr2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/ui/deriving/issue-103157.stderr b/tests/ui/deriving/issue-103157.stderr
index 612a7aff225..9754b0289c0 100644
--- a/tests/ui/deriving/issue-103157.stderr
+++ b/tests/ui/deriving/issue-103157.stderr
@@ -5,7 +5,7 @@ LL | #[derive(PartialEq, Eq)]
    |                     -- in this derive macro expansion
 ...
 LL |     Float(Option<f64>),
-   |           ^^^^^^^^^^^ the trait `Eq` is not implemented for `f64`, which is required by `Option<f64>: Eq`
+   |           ^^^^^^^^^^^ the trait `Eq` is not implemented for `f64`
    |
    = help: the following other types implement trait `Eq`:
              i128