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[ array->forEachKey ]


Part of the standard trait_keyedForEach. Iterates over each "key", which is simply the positions for each element.

  • Syntax
array->foreachkey => { expression }
  • Beginner

Return the 'keys' of an array

This example returns a list of the squares of the keys (element positions) of an array.


define squareMe(n::integer) => {  
    return #n * #n

var( myNames = array('Tom' , 'Jen' , 'Cam' ))

$myNames->foreachkey => {^  squareMe(#1)+' ' ^}


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