Cyclone Scheme  0.28.0

◆ Cyc_check_pair_or_null

#define Cyc_check_pair_or_null (   d,
  obj 
)    { if (obj != NULL) { Cyc_check_pair(d,obj); }}

Type Checking - raise an error unless obj is a pair object or NULL

Parameters
d- Thread data object
obj- Object to check