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why not a,b or x,y? (lemm.ee)
submitted 3 years ago by to c/programmerhumor@lemmy.ml
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[–] 0 points 3 years ago (4 children)

Is it for “index” or “iterator”?

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  • [–] 1 point 3 years ago

    I believe index for the classical need to iterate through an array. E.g.

    for (i = 0; I <= arr.length; i++) { var thing = arr[i] ... }

    So to me it stands for "index" for array lookup.

    Before map and iterators were implemented in a lot of languages, this was the defacto way to iterate a list. At least this is how I learned it in java/c back in the day. Nowadays I think most OOP languages including java have implemented the "for ... in ..." Syntax or similar which deprecates this convention.

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