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[ array->forEachPair ]

Method

Part of the standard trait_keyedForEach. When iterating an array in this manner, the pair's ->first value is the element position, while ->second is the element value.

  • Syntax
array->foreachpair => { expression }
Examples
  • Beginner

Return a list of the elements of an array along with their position

This example iterates through an array of names and outputs the position of the name in the array along with name.

Code

define listMe(p::pair) => {  
    return #p->first+'. '+#p->second
}

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

$myNames->foreachpair => {^  listMe(#1)+'\n' ^}

Result

1. Tom
2. Jen
3. Cam

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