| error[E0015]: cannot call non-const closure in constants | |
| --> $DIR/issue-68542-closure-in-array-len.rs:6:13 | |
| | | |
| LL | a: [(); (|| { 0 })()] | |
| | ^^^^^^^^^^^^ | |
| | | |
| = note: closures need an RFC before allowed to be called in constants | |
| = note: calls in constants are limited to constant functions, tuple structs and tuple variants | |
| = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0015`. |