Function mlx_fast_metal_kernel_new 

pub unsafe extern "C" fn mlx_fast_metal_kernel_new(
    name: *const c_char,
    input_names: mlx_vector_string,
    output_names: mlx_vector_string,
    source: *const c_char,
    header: *const c_char,
    ensure_row_contiguous: bool,
    atomic_outputs: bool,
) -> mlx_fast_metal_kernel