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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/for
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/for')
-rw-r--r--tests/ui/for/for-c-in-str.stderr2
-rw-r--r--tests/ui/for/for-loop-bogosity.stderr2
2 files changed, 2 insertions, 2 deletions
diff --git a/tests/ui/for/for-c-in-str.stderr b/tests/ui/for/for-c-in-str.stderr
index 2544df64629..475cf8c8874 100644
--- a/tests/ui/for/for-c-in-str.stderr
+++ b/tests/ui/for/for-c-in-str.stderr
@@ -4,7 +4,7 @@ error[E0277]: `&str` is not an iterator
 LL |     for c in "asdf" {
    |              ^^^^^^ `&str` is not an iterator; try calling `.chars()` or `.bytes()`
    |
-   = help: the trait `Iterator` is not implemented for `&str`, which is required by `&str: IntoIterator`
+   = help: the trait `Iterator` is not implemented for `&str`
    = note: required for `&str` to implement `IntoIterator`
 
 error: aborting due to 1 previous error
diff --git a/tests/ui/for/for-loop-bogosity.stderr b/tests/ui/for/for-loop-bogosity.stderr
index 143e4a4efd1..194a2fa08ce 100644
--- a/tests/ui/for/for-loop-bogosity.stderr
+++ b/tests/ui/for/for-loop-bogosity.stderr
@@ -4,7 +4,7 @@ error[E0277]: `MyStruct` is not an iterator
 LL |     for x in bogus {
    |              ^^^^^ `MyStruct` is not an iterator
    |
-   = help: the trait `Iterator` is not implemented for `MyStruct`, which is required by `MyStruct: IntoIterator`
+   = help: the trait `Iterator` is not implemented for `MyStruct`
    = note: required for `MyStruct` to implement `IntoIterator`
 
 error: aborting due to 1 previous error