rust/tests/ui/const-generics/generic_const_exprs/abstract-consts-as-cast-5.stderr

error: unconstrained generic constant
  --> $DIR/abstract-consts-as-cast-5.rs:5:11
   |
LL |     bar::<{ N as usize as usize }>();
   |           ^^^^^^^^^^^^^^^^^^^^^^^
   |
help: try adding a `where` bound
   |
LL | fn foo<const N: u8>(a: [(); N as usize]) where [(); { N as usize as usize }]: {
   |                                          ++++++++++++++++++++++++++++++++++++

error: aborting due to 1 previous error
add a `CastKind` to `Node::Cast` 2021-09-07 13:24:04 +01:00			`error: unconstrained generic constant`
			`--> $DIR/abstract-consts-as-cast-5.rs:5:11`
			`\|`
			`LL \| bar::<{ N as usize as usize }>();`
			`\| ^^^^^^^^^^^^^^^^^^^^^^^`
			`\|`
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			help: try adding a `where` bound
			`\|`
			`LL \| fn foo<const N: u8>(a: [(); N as usize]) where [(); { N as usize as usize }]: {`
			`\| ++++++++++++++++++++++++++++++++++++`
add a `CastKind` to `Node::Cast` 2021-09-07 13:24:04 +01:00
Show number in error message even for one error Co-authored-by: Adrian <adrian.iosdev@gmail.com> 2023-11-21 15:44:16 +00:00			`error: aborting due to 1 previous error`
add a `CastKind` to `Node::Cast` 2021-09-07 13:24:04 +01:00