#[no_mangle]
pub unsafe extern "C" fn laplace_potential_assembler_new(
operator: u8,
dtype: u8,
) -> *const PotentialAssemblerWrapper
#[no_mangle]
pub unsafe extern "C" fn laplace_potential_assembler_new(
operator: u8,
dtype: u8,
) -> *const PotentialAssemblerWrapper