| error[E0277]: the trait bound `std::option::Option<std::string::String>: std::marker::Copy` is not satisfied |
| --> $DIR/feature-gate-const_in_array_repeat_expressions.rs:8:36 |
| | |
| LL | let arr: [Option<String>; 2] = [None::<String>; 2]; |
| | ^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `std::option::Option<std::string::String>` |
| | |
| = help: the following implementations were found: |
| <std::option::Option<T> as std::marker::Copy> |
| = note: the `Copy` trait is required because the repeated element will be copied |
| = note: this array initializer can be evaluated at compile-time, see issue #49147 <https://github.com/rust-lang/rust/issues/49147> for more information |
| = help: add `#![feature(const_in_array_repeat_expressions)]` to the crate attributes to enable |
| |
| error[E0277]: the trait bound `std::option::Option<std::string::String>: std::marker::Copy` is not satisfied |
| --> $DIR/feature-gate-const_in_array_repeat_expressions.rs:14:36 |
| | |
| LL | let arr: [Option<String>; 2] = [Some("foo".to_string()); 2]; |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `std::option::Option<std::string::String>` |
| | |
| = help: the following implementations were found: |
| <std::option::Option<T> as std::marker::Copy> |
| = note: the `Copy` trait is required because the repeated element will be copied |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |