Function clingo_sys::clingo_signature_is_less_than

pub unsafe extern "C" fn clingo_signature_is_less_than(
    a: clingo_signature_t, 
    b: clingo_signature_t
) -> bool

! Check if a signature is less than another signature. ! ! Signatures are compared first by sign (unsigned < signed), then by arity, ! then by name. ! ! @param[in] a first signature ! @param[in] b second signature ! @return whether a < b