| error[E0658]: `match` is not allowed in a `const` |
| --> $DIR/match-test-ptr-null.rs:6:9 |
| | |
| LL | / match &1 as *const i32 as usize { |
| LL | | |
| LL | | |
| LL | | |
| LL | | 0 => 42, |
| LL | | n => n, |
| LL | | } |
| | |_________^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/49146 |
| = help: add `#![feature(const_if_match)]` to the crate attributes to enable |
| |
| error[E0658]: casting pointers to integers in constants is unstable |
| --> $DIR/match-test-ptr-null.rs:6:15 |
| | |
| LL | match &1 as *const i32 as usize { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/51910 |
| = help: add `#![feature(const_raw_ptr_to_usize_cast)]` to the crate attributes to enable |
| |
| error[E0080]: evaluation of constant value failed |
| --> $DIR/match-test-ptr-null.rs:6:15 |
| | |
| LL | match &1 as *const i32 as usize { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^ "pointer-to-integer cast" needs an rfc before being allowed inside constants |
| |
| error: aborting due to 3 previous errors |
| |
| Some errors have detailed explanations: E0080, E0658. |
| For more information about an error, try `rustc --explain E0080`. |