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1a521db67e2935e5a46c7b95b511ab9a43be5770
rust/tests/ui/suggestions/missing-bound-in-derive-copy-impl.rs

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On E0204 suggest missing type param bounds ``` error[E0204]: the trait `Copy` may not be implemented for this type --> f42.rs:9:17 | 9 | #[derive(Debug, Copy, Clone)] | ^^^^ 10 | pub struct AABB<K>{ 11 | pub loc: Vector2<K>, | ------------------- this field does not implement `Copy` 12 | pub size: Vector2<K> | -------------------- this field does not implement `Copy` | note: the `Copy` impl for `Vector2<K>` requires that `K: Debug` --> f42.rs:11:5 | 11 | pub loc: Vector2<K>, | ^^^^^^^^^^^^^^^^^^^ note: the `Copy` impl for `Vector2<K>` requires that `K: Debug` --> f42.rs:12:5 | 12 | pub size: Vector2<K> | ^^^^^^^^^^^^^^^^^^^^ = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider restricting type parameter `K` | 10 | pub struct AABB<K: Debug>{ | +++++++ ``` Fix #89137.
2022-06-02 12:34:55 -07:00
use std::fmt::Debug;
#[derive(Debug, Copy, Clone)]
pub struct Vector2<T: Debug + Copy + Clone>{
pub x: T,
pub y: T
}
#[derive(Debug, Copy, Clone)] //~ ERROR the trait `Copy` may not be implemented for this type
pub struct AABB<K>{
pub loc: Vector2<K>,
pub size: Vector2<K>
}
fn main() {}
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