user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Provide help when T: ?Sized can't be suggested

Browse source
This commit is contained in:
Esteban Küber 2020-06-16 17:24:16 -07:00
parent d2b8e6090c
commit aa84b0fa37
10 changed files with 154 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/test/ui/issues/issue-18919.stderr
View file

@ -9,6 +9,13 @@ LL | enum Option<T> {
|
= help: the trait `std::marker::Sized` is not implemented for `dyn for<'r> std::ops::Fn(&'r isize) -> isize`
= note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/issue-18919.rs:7:13
|
LL | enum Option<T> {
| ^ this could be changed to `T: ?Sized`...
LL | Some(T),
| - ...if indirection was used here: `Box<T>`
error: aborting due to previous error

7
src/test/ui/issues/issue-23281.stderr
View file

@ -9,6 +9,13 @@ LL | struct Vec<T> {
|
= help: the trait `std::marker::Sized` is not implemented for `(dyn std::ops::Fn() + 'static)`
= note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
help: you could relax the implicit `Sized` bound on `T` if it were used through indirection like `&T` or `Box<T>`
--> $DIR/issue-23281.rs:8:12
|
LL | struct Vec<T> {
| ^ this could be changed to `T: ?Sized`...
LL | t: T,
| - ...if indirection was used here: `Box<T>`
error: aborting due to previous error