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Test your SKILL Knowledge: Understanding Variable Scope

PCBTech

Examine this code sample and predict what will be printed to the console:

globalVar = "Global Variable"

procedure(testScope()
  localVar = "Local Variable"
  printf("In testScope Global: %s Local: %s \n" globalVar localVar )
  let((globalVar)
    globalVar = "Modified"
    localVar = strcat(localVar " with Changes")
    printf("Inner Global: %s Local: %s \n" globalVar localVar )
  )
  printf("After let Global: %s Local: %s \n" globalVar localVar )
)

printf("Outside testScope Global: %s \n" globalVar )
testScope()
printf("After testscope Global: %s Local: %s \n" globalVar localVar )

 

How should we change the code to correct variable visibility both inside and outside of the procedure scope?

Parents

  • Can you clarify what the expected result should be? What exactly do you want to correct? what's the visibility issue? Is it the fact that localVar is modified? or is it related to globalVar? A bit of clarification would be appreciated ;)

  • in reply to Elecguy

    The coder's intended local variable is named "localVar" and the intended global variable is named "globalVar". But something is wrong. Can you spot what it is and correct the code so that the variables respect their intended scope? In doing so, you will demonstrate a good understanding of the correct scope assignment of variables in the SKILL language...

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  • in reply to Elecguy

    The coder's intended local variable is named "localVar" and the intended global variable is named "globalVar". But something is wrong. Can you spot what it is and correct the code so that the variables respect their intended scope? In doing so, you will demonstrate a good understanding of the correct scope assignment of variables in the SKILL language...

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