Is Variable Interpolation Possible?

[Don]

I've got an object "oppsExtras" with properties "extra", "extra2", "extra3", etc. Rather than act on those fields individually...

(({oppExtras extra1} intersection:roleNames) count > 0) ifTrue: [
...
].
(({oppExtras extra2} intersection:roleNames) count > 0) ifTrue: [
...
].

...is it possible to loop through these 12 properties with some sort of interpolation? Like:

(({oppExtras extra|i|} intersection:roleNames) count > 0) ifTrue: [

where |i| is a counter? (Forgive me for my misuse of terms anywhere in my posts. I'm new here.)

[Ken Ferry]

You're probably looking for the asBlock method.

> oppsExtras

#{ 'extra1' -> {2, 3, 4},

   'extra2' -> {1, 3},

   'extra3' -> {2, 3},

   'extra0' -> {1, 2, 3}

}

> compactBlockStrings := ('#extra' ++ @ (4 iota @ description))

> compactBlockStrings

{'#extra0', '#extra1', '#extra2', '#extra3'}

> compactBlocks := compactBlockStrings asBlock

> compactBlocks

{#extra0, #extra1, #extra2, #extra3}

> compactBlocks @ value:oppsExtras

{{1, 2, 3}, {2, 3, 4}, {1, 3}, {2, 3}}

-ken

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[Don]

Ooooh! Let me play around with that a bit and see what I can come up with. Thanks!