Esteban Küber
65a54a7f27
Tweak multispan rendering
...
Consider comments and bare delimiters the same as an "empty line" for purposes of hiding rendered code output of long multispans. This results in more aggressive shortening of rendered output without losing too much context, specially in `*.stderr` tests that have "hidden" comments.
2024-12-12 23:36:27 +00:00
Esteban Küber
6b24fdf811
Provide structured suggestion for unconstrained generic constant
...
```
error: unconstrained generic constant
--> $DIR/const-argument-if-length.rs:18:10
|
LL | pad: [u8; is_zst::<T>()],
| ^^^^^^^^^^^^^^^^^^^
|
help: try adding a `where` bound
|
LL | pub struct AtLeastByte<T: ?Sized> where [(); is_zst::<T>()]: {
| ++++++++++++++++++++++++++
```
Detect when the constant expression isn't `usize` and suggest casting:
```
error: unconstrained generic constant
--> f300.rs:6:10
|
6 | bb::<{!N}>();
| ^^^^
-Ztrack-diagnostics: created at compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs:3539:36
|
help: try adding a `where` bound
|
5 | fn b<const N: bool>() where [(); {!N} as usize]: {
| ++++++++++++++++++++++++++
```
Fix #122395 .
2024-03-21 00:03:59 +00:00
Gurinder Singh
ace436743f
Check that return type is WF in typeck
...
Without it non-WF types could pass typeck and then
later fail in MIR/const eval
2024-03-06 16:51:17 +05:30
Nilstrieb
41e8d152dc
Show number in error message even for one error
...
Co-authored-by: Adrian <adrian.iosdev@gmail.com >
2023-11-24 19:15:52 +01:00
Albert Larsan
cf2dff2b1e
Move /src/test to /tests
2023-01-11 09:32:08 +00:00
