; demonstrate optional return values from endsub and return o1000 sub o1010 if [#1 GT 0] o1010 return [123*[#1]] o1010 endif o1020 if [#1 LT 0] o1020 return o1020 endif o1000 endsub [4712] o1000 call [0] (debug,call with arg1=0 return #<_value>) ; #<_value> is 4712.0 o1000 call [2] (debug,call with arg1=2 return #<_value>) ; #<_value> is 246.0 o1000 call [-1] (debug,call with arg1=-1 return #<_value>) ; #<_value> is 0.0 m2