Commit 8b097b5a authored by Tamir Duberstein's avatar Tamir Duberstein Committed by Miguel Ojeda
Browse files

scripts: rust: replace length checks with match 



Use a match expression with slice patterns instead of length checks and
indexing. The result is more idiomatic, which is a better example for
future Rust code authors.

Reviewed-by: default avatarAlice Ryhl <aliceryhl@google.com>
Signed-off-by: default avatarTamir Duberstein <tamird@gmail.com>
Link: https://lore.kernel.org/r/20250529-idiomatic-match-slice-v2-1-4925ca2f1550@gmail.com


[ Reworded title. - Miguel ]
Signed-off-by: default avatarMiguel Ojeda <ojeda@kernel.org>
parent 275ad5e7

scripts/rustdoc_test_gen.rs

+15 −16
Original line number Diff line number Diff line
@@ -85,24 +85,23 @@ fn find_candidates( 
        }

    }



    assert!(

        valid_paths.len() > 0,

        "No path candidates found for `{file}`. This is likely a bug in the build system, or some \

        files went away while compiling."

    );



    if valid_paths.len() > 1 {

    match valid_paths.as_slice() {

        [] => panic!(

            "No path candidates found for `{file}`. This is likely a bug in the build system, or \

            some files went away while compiling."

        ),

        [valid_path] => valid_path.to_str().unwrap(),

        valid_paths => {

            eprintln!("Several path candidates found:");

            for path in valid_paths {

                eprintln!("    {path:?}");

            }

            panic!(

            "Several path candidates found for `{file}`, please resolve the ambiguity by renaming \

            a file or folder."

                "Several path candidates found for `{file}`, please resolve the ambiguity by \

                renaming a file or folder."

            );

        }



    valid_paths[0].to_str().unwrap()

    }

}



fn main() {