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Resolved Passing numeric arguments by readonly
  1. Advice
  2.  Function
  3.  Performance
  4.  PowerBuilder (Appeon)
0 Votes
  1. Josef Koláček
  2. PowerBuilder
  3. Sunday, 12 March 2023 09:12 AM UTC

Hello Appeon Community,

 

According to article from https://docs.appeon.com/pb2019/pbug/ch07s02.html#ug12761:

Read-only. When you pass as read-only, the variable's value is available to the function but it is treated as a constant. Read-only provides a performance advantage over passing by value for string, blob, date, time, and datetime arguments, because it does not create a copy of the data.

 

I am just wondering, is there a performance advantage also for standard numeric datatypes (int, long) when passed by readonly? If not, why?

 

Thank you in advance,

Josef

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