which is Efficient way

Question

for explaining sake im using this examples 
 Let's say 
 
 local!role : index( local!lookupDetails, wherecontains( cons!IHL_TXT_R_ALL_CATEGORIES[1], index( local!lookupDetails, "role" null ) ) ) 
 i need to use one values from the record in my UI many places 
 for that can i hold it in one local and pass wherever needed. 
 or can i use it directly wherever i needed 
 if so i need to call index,whereconains in many places right dont it consume memory 
 and it will make the code repetitive lines get increase what is the best practice.

Stefan Helzle · Answer

If I need a computed value multiple times, I use local variables to reduce the evaluation time.

Stefan Helzle · Answer

Well, a value that is not computed is a static value. If this is needed in multiple places, creating a constant for it might be a good idea.

which is Efficient way

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