How to access variables of one procedure function to other procedure function

Hi,

The way you implement your pointDone() function these variables are global so they are accessible from everywhere anyway. But...as you probably know you should avoid global variables whenever you can. So the better solution is probably that whatever you want to do with these variables just do it inside the pointDone() function. Since it is a callback function there's no way to capture it's return value.

Max

Thank you Max

I have got to know how to solve my problem.

Can I know how to delete my discussion/question?

Sathvik

I don't know how to do that...

Hi Sathvik,

This cannot be done in classic SKILL but is achievable in SKILL++

Below is an example of what your code could look like

Cheers

Aurélien

inScheme(

;; Let defining shared variable amongst contained procedures
let( (x y z)

globalProc(pointDone( w done pts )
 if( done then
 l=pts
 x=car(l)
 y=car(x)+0.0
 z=car(cdr(x))+0.0
 printf("Point entered was %L.\n" pts)
 else
 println("Point entry aborted.")
 )
 list(y z)
)

enterPoint( ?prompts
 list( "Enter a point.")
 ?doneProc "pointDone"
)

globalProc(getPoints()

 ;; Here x, y and z variables are the same as `pointDone' ones
 printf("%f" ?)
)

));inScheme