| error[E0010]: allocations are not allowed in constants |
| --> $DIR/E0010-teach.rs:6:24 |
| | |
| LL | const CON : Box<i32> = box 0; |
| | ^^^^^ allocation not allowed in constants |
| | |
| = note: The value of statics and constants must be known at compile time, and they live for the entire lifetime of a program. Creating a boxed value allocates memory on the heap at runtime, and therefore cannot be done at compile time. |
| |
| error[E0019]: constant contains unimplemented expression type |
| --> $DIR/E0010-teach.rs:6:28 |
| | |
| LL | const CON : Box<i32> = box 0; |
| | ^ |
| | |
| = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable |
| = note: A function call isn't allowed in the const's initialization expression because the expression's value must be known at compile-time. |
| = note: Remember: you can't use a function call inside a const's initialization expression! However, you can use it anywhere else. |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0010, E0019. |
| For more information about an error, try `rustc --explain E0010`. |
