def extract_presup(resp): """From a bunch of responses, extract the T/F presups.""" out = [] for k in resp: if is_undef(k): out.append(False) else: out.append(True) return out
def collapse_undefs(resp): """Collapse together our multiple kinds of undefs so that we can compare vectors.""" out = [] for k in resp: if is_undef(k): out.append("undef") else: out.append(k) return out