IfcBooleanChoose

Semantic definitions at the function

Function Definition

Returns the first choice, if TRUE, otherwise the second choice.

NOTE Definition according to ISO/CD 10303-42:1992
This function returns one of two choices depending on the value of a Boolean input argument. The two choices are also input arguments.

NOTE Function adapted from boolean_choose defined in ISO10303-42.

HISTORY New function in IFC2.0

Formal representations

EXPRESS Specification


FUNCTION IfcBooleanChoose


(B : BOOLEAN ;
     Choice1, Choice2 : GENERIC : Item) : GENERIC : Item;
  IF B THEN
     RETURN (Choice1);
  ELSE
     RETURN (Choice2);
  END_IF;




END_FUNCTION;