rust/tests/ui/consts/const-fn-in-vec.stderr

error[E0277]: the trait bound `String: Copy` is not satisfied
  --> $DIR/const-fn-in-vec.rs:4:33
   |
LL |     let strings: [String; 5] = [String::new(); 5];
   |                                 ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
   |
   = note: the `Copy` trait is required because this value will be copied for each element of the array
   = help: consider creating a new `const` item and initializing it with the result of the function call to be used in the repeat position, like `const VAL: Type = const_fn();` and `let x = [VAL; 42];`
   = help: create an inline `const` block, see RFC #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.
added a suggestion to create a `const` item if the `fn` in the array repeat expression is a `const fn` 2021-01-29 06:24:19 +00:00			error[E0277]: the trait bound `String: Copy` is not satisfied
Check that repeat expression elements are Copy (ignoring lifetimes) in typeck and that they are Copy (with proper lifetime checks) in borrowck 2022-04-11 16:38:48 +00:00			`--> $DIR/const-fn-in-vec.rs:4:33`
added a suggestion to create a `const` item if the `fn` in the array repeat expression is a `const fn` 2021-01-29 06:24:19 +00:00			`\|`
			`LL \| let strings: [String; 5] = [String::new(); 5];`
Check that repeat expression elements are Copy (ignoring lifetimes) in typeck and that they are Copy (with proper lifetime checks) in borrowck 2022-04-11 16:38:48 +00:00			\| ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
added a suggestion to create a `const` item if the `fn` in the array repeat expression is a `const fn` 2021-01-29 06:24:19 +00:00			`\|`
Update the diagnostic message to match the new span 2022-04-28 09:40:42 +00:00			= note: the `Copy` trait is required because this value will be copied for each element of the array
improve `const fn` `RepeatVec` diagnostics 2021-03-09 02:50:50 +00:00			= help: consider creating a new `const` item and initializing it with the result of the function call to be used in the repeat position, like `const VAL: Type = const_fn();` and `let x = [VAL; 42];`
			= help: create an inline `const` block, see RFC #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information
added a suggestion to create a `const` item if the `fn` in the array repeat expression is a `const fn` 2021-01-29 06:24:19 +00:00
			`error: aborting due to previous error`

			For more information about this error, try `rustc --explain E0277`.