5.3 Basic if-then statement

qBeta has a simple if-then statement of the form

if (BooleanExp) :then
   Body

If BooleanExp evaluates to True, then Body is executed

Example

if (a < b) :then
   a := a + b

Other control structures

Other control structures are defined in the qBeta library and defined as keyword patterns

if(BooleanExp) :then
   ThenBody
:else
   ElseBody

Hello world