| 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 |
| |