我不能编“铁锈”里的贝维？

Question

我开始用贝维了。我去了他们的网站，并开始了设置的事情，但当我去编译不会。

它一直在返回这个错误。

error[E0658]: `let...else` statements are unstable
   --> C:\Users\drew0\.cargo\registry\src\github.com-1ecc6299db9ec823\bevy_render_macros-0.9.0\src\as_bind_group.rs:119:13
    |
119 | /             let Some(attr_ident) = attr.path.get_ident() else {
120 | |                 continue;
121 | |             };
    | |______________^
    |
    = note: see issue #87335 <https://github.com/rust-lang/rust/issues/87335> for more information

For more information about this error, try `rustc --explain E0658`.
error: could not compile `bevy_render_macros` due to previous error
warning: build failed, waiting for other jobs to finish...
error[E0658]: `let...else` statements are unstable
   --> C:\Users\drew0\.cargo\registry\src\github.com-1ecc6299db9ec823\bevy_reflect_derive-0.9.0\src\container_attributes.rs:140:21
    |
140 | /                     let Some(segment) = path.segments.iter().next() else {
141 | |                         continue;
142 | |                     };
    | |______________________^
    |
    = note: see issue #87335 <https://github.com/rust-lang/rust/issues/87335> for more information

error[E0658]: `let...else` statements are unstable
   --> C:\Users\drew0\.cargo\registry\src\github.com-1ecc6299db9ec823\bevy_reflect_derive-0.9.0\src\container_attributes.rs:174:21
    |
174 | /                     let Some(segment) = list.path.segments.iter().next() else {
175 | |                         continue;
176 | |                     };
    | |______________________^
    |
    = note: see issue #87335 <https://github.com/rust-lang/rust/issues/87335> for more information

error[E0658]: `let...else` statements are unstable
  --> C:\Users\drew0\.cargo\registry\src\github.com-1ecc6299db9ec823\bevy_reflect_derive-0.9.0\src\type_uuid.rs:27:9
   |
27 | /         let Meta::NameValue(name_value) = attribute else {
28 | |             continue;
29 | |         };
   | |__________^
   |
   = note: see issue #87335 <https://github.com/rust-lang/rust/issues/87335> for more information

error: could not compile `bevy_reflect_derive` due to 3 previous errors

我已经在vscode中打开了文件，并删除了分号，但是它仍然不编译，并告诉我把它们放回去。我真的很想用贝维做游戏生锈，但这阻止了我。

Answer 1

let-else稳定在1.65。您可以运行rustup update获得最新版本。

Answer 2

要解决这个问题，你需要更新锈。