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Make lifetime ordering error pretty print const param defaults

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This commit is contained in:
Ellen 2021-05-29 03:54:32 +01:00
parent f58631b450
commit f208f207d6
4 changed files with 21 additions and 5 deletions
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4
src/test/ui/const-generics/defaults/intermixed-lifetime.min.stderr
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@ -2,13 +2,13 @@ error: lifetime parameters must be declared prior to const parameters
--> $DIR/intermixed-lifetime.rs:7:28
|
LL | struct Foo<const N: usize, 'a, T = u32>(&'a (), T);
| -----------------^^---------- help: reorder the parameters: lifetimes, then types, then consts: `<'a, const N: usize, T = u32>`
| -----------------^^---------- help: reorder the parameters: lifetimes, then consts and types: `<'a, const N: usize, T = u32>`
error: lifetime parameters must be declared prior to type parameters
--> $DIR/intermixed-lifetime.rs:10:37
|
LL | struct Bar<const N: usize, T = u32, 'a>(&'a (), T);
| --------------------------^^- help: reorder the parameters: lifetimes, then types, then consts: `<'a, const N: usize, T = u32>`
| --------------------------^^- help: reorder the parameters: lifetimes, then consts and types: `<'a, const N: usize, T = u32>`
error: aborting due to 2 previous errors

5
src/test/ui/const-generics/defaults/param-order-err-pretty-prints-default.rs Normal file
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@ -0,0 +1,5 @@
#![feature(const_generics_defaults)]
struct Foo<const M: usize = 10, 'a>(&'a u32);
//~^ Error lifetime parameters must be declared prior to const parameters
fn main() {}

8
src/test/ui/const-generics/defaults/param-order-err-pretty-prints-default.stderr Normal file
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@ -0,0 +1,8 @@
error: lifetime parameters must be declared prior to const parameters
--> $DIR/param-order-err-pretty-prints-default.rs:2:33
|
LL | struct Foo<const M: usize = 10, 'a>(&'a u32);
| ----------------------^^- help: reorder the parameters: lifetimes, then consts and types: `<'a, const M: usize = 10>`
error: aborting due to previous error