Function maze_wasm_clear_cells

#[no_mangle]
pub extern "C" fn maze_wasm_clear_cells(
    maze_wasm: *mut MazeWasm,
    start_row: u32,
    start_col: u32,
    end_row: u32,
    end_col: u32,
) -> u32

Sets cells values in a MazeWasm to empty

Returns

Zero if successful, else an error pointer