Function ergo_lib_c_core::box_builder::ergo_box_candidate_builder_register_value

pub unsafe fn ergo_box_candidate_builder_register_value(
    builder_ptr: ConstErgoBoxCandidateBuilderPtr,
    register_id: NonMandatoryRegisterId,
    constant_out: *mut ConstantPtr
) -> Result<bool, Error>

Returns register value for the given register id (R4-R9), or None if the register is empty