Function ergo::ergo_lib_ergo_box_candidate_builder_set_register_value

#[no_mangle]
pub unsafe extern "C" fn ergo_lib_ergo_box_candidate_builder_set_register_value(
    builder_mut: ErgoBoxCandidateBuilderPtr,
    register_id: NonMandatoryRegisterId,
    constant_ptr: ConstConstantPtr
)

Set register with a given id (R4-R9) to the given value