}
fn undecodable_contents_to_str(contents: &UndecodableContents) -> &str {
    match contents {
        UndecodableContents::ShortBase64(short) => short,
        UndecodableContents::UnknownEncoding => "Unknown encoding",
    }

        DiffWithoutContents::Move => todo!(),
        DiffWithoutContents::SolveNameConflict => todo!(),
        DiffWithoutContents::UnsolveNameConflict => todo!(),
        DiffWithoutContents::SolveOrderConflict => todo!(),
        DiffWithoutContents::UnsolveOrderConflict => todo!(),
        DiffWithoutContents::ResurrectZombines => todo!(),
        DiffWithoutContents::AddRoot => todo!(),
        DiffWithoutContents::DelRoot => todo!(),

        DiffWithoutContents::Move => el(text("Move")),
        DiffWithoutContents::SolveNameConflict => {
            el(text("Solve name conflict"))
        }
        DiffWithoutContents::UnsolveNameConflict => {
            el(text("Unsolve name conflict"))
        }
        DiffWithoutContents::SolveOrderConflict => {
            el(text("Solve order conflict"))
        }
        DiffWithoutContents::UnsolveOrderConflict => {
            el(text("Unsolve order conflict"))
        }
        DiffWithoutContents::ResurrectZombines => el(text("Resurrect zombies")),
        DiffWithoutContents::AddRoot => el(text("Add root")),
        DiffWithoutContents::DelRoot => el(text("Delete root")),

        } => todo!(),

        } => {
            let line_num = *line;
            let line = undecodable_contents_to_str(contents);
            el(row([
                el(code_view(if *deleted { "- " } else { "+ " })),
                el(line_num_view(line_num, 1)),
                el(code_view(line).width(Length::Fill)),
            ]))
        }

        } => todo!(),

        } => {
            let line_num = *line;
            let change_line = undecodable_contents_to_str(change_contents);
            let replacement_line =
                undecodable_contents_to_str(replacement_contents);
            el(column([
                el(row([
                    el(code_view("- ")),
                    el(line_num_view(line_num, 1)),
                    el(code_view(change_line).width(Length::Fill)),
                ])),
                el(row([
                    el(code_view("+ ")),
                    el(line_num_view(line_num, 1)),
                    el(code_view(replacement_line).width(Length::Fill)),
                ])),
            ]))
        }