struct TextureTable<'a> {
    table: [[Option<Texture<'a>>; 6]; 2],
}

impl<'a> TextureTable<'a> {
    fn new(creator: &'a TextureCreator<WindowContext>) -> Result<TextureTable<'a>, String> {
        let mut table = TextureTable { table: [[Option::None; 6]; 2] };
        table.table[0][3] = Option::Some(creator.load_texture("/path/to/image")?);
        Result::Ok(table)
    }
}

fn main() {
    // -- SNIP --
    let mut texture_table = TextureTable::new(&texture_creator);
    // -- SNIP --
}