Multiple Line IF Statement

• 05/22/2025 at 11:14 AM #247480
  MacroT

  I have a multiple line if statement used to filter out a series of constraints. I would like to know if there is a function to exit the if statement if a condition is met without running through the whole statement.

   

  Eg

  IF Condition A then

  X = 0

  ELSIF Condition B then

  X = 1

  ELSIF Condition C then

  X = 0

  ELSE

  X=1

  ENDIF

  In the example above assume there is an overlap between Condition A and B.

  If the code runs on this overlap, then X is set to 0 as it fulfils Condition A but is then set back to 1 as it fulfils Condition B

  I would like to know if there is a way to exit the statement as soon as the condition is set to 0, without it moving through the whole IF statement ?

   

  Thanks

   

   

  

  MacroT

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  05/22/2025 at 12:38 PM #247488
  JS

  An “early” exit is not possible…
  One possible solution is to adjust your conditions, for example:

  If Condition A and Condition B then

      X = 0

  ElsIf Condition B then

      X = 1

  …

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  JS

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  05/22/2025 at 3:46 PM #247509
  robertogozzi

  ELSIF and ELSE are only executed alternatively:

  IF ConditionA then X = 0 //the IF..ENDIF block is exited here ELSIF ConditionB then X = 1 //the IF..ENDIF block is exited here ELSIF ConditionC then X = 0 //the IF..ENDIF block is exited here ELSE X = 1 //the IF..ENDIF block is exited here ENDIF

  1 2 3 4 5 6 7 8 9

  IF ConditionA then    X = 0                //the IF..ENDIF block is exited here ELSIF ConditionB then    X = 1                //the IF..ENDIF block is exited here ELSIF ConditionC then    X = 0                //the IF..ENDIF block is exited here ELSE    X = 1                //the IF..ENDIF block is exited here ENDIF

  I can’t see any condition overlapping any of the other ones.

   

   

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  robertogozzi

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  05/22/2025 at 3:50 PM #247512
  Iván

  Hi!
  In ProBuilder, the structure IF ... ELSIF ... ELSE ... ENDIF is specifically designed to stop evaluating as soon as one condition is met. That means, if Condition A is true, the subsequent conditions (Condition B, C, etc.) are not evaluated at all.
  So, the behavior you’re describing, where X gets reassigned after meeting Condition A,should not happen if you’re using a proper ELSIF chain.
  Here you have an example:

  ema=average[50](close) if close > ema then count1=1+count1 elsif close crosses over ema then count2=1+count2 endif return count1, count2

  1 2 3 4 5 6 7 8

  ema=average[50](close) if close > ema then count1=1+count1 elsif close crosses over ema then count2=1+count2 endif   return count1, count2

  Count2 will always be 0.
  If you use to if endif then it will be different:

  ema=average[50](close) if close > ema then count1=1+count1 endif if close crosses over ema then count2=1+count2 endif return count1, count2

  1 2 3 4 5 6 7 8 9

  ema=average[50](close) if close > ema then count1=1+count1 endif if close crosses over ema then count2=1+count2 endif   return count1, count2

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  Iván

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