rust/tests/ui/const-generics/early/trivial-const-arg-macro-nested-braces-2.stderr

16 lines
641 B
Plaintext

error: generic parameters may not be used in const operations
--> $DIR/trivial-const-arg-macro-nested-braces-2.rs:3:9
|
LL | N
| ^ cannot perform const operation using `N`
...
LL | fn foo<const N: usize>() -> A<{{ y!() }}> {
| ---- in this macro invocation
|
= help: const parameters may only be used as standalone arguments, i.e. `N`
= help: add `#![feature(generic_const_exprs)]` to allow generic const expressions
= note: this error originates in the macro `y` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 1 previous error