Switched to rust-analyzer for Rust syntax highlighting. Improved support for modern Rust features.
As discussed in #86363, we could add a button allowing to copy the content of the source code. For this, I'll unify the content for the "run" button as well so it's not duplicated in case the run ...
一部の結果でアクセス不可の可能性があるため、非表示になっています。
アクセス不可の結果を表示する