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every

every(Array<T>, (T) -> Boolean): Boolean

Returns true if every element in the list (an array) matches the condition.

The function stops iterating after the first negative evaluation of an element in the array.

Parameters

Name Description

list

The input array.

condition

A condition (or expression) to apply to elements in the input array.

Example

This example applies a variety of expressions to the input arrays and returns true if the expression is true for every item in the input array. The $ references values of the elements.

Source

%dw 2.0
import * from dw::core::Arrays
var arr0 = [] as Array<Number>
output application/json
---
{ "results" : [
     "ok" : [
        [1,1,1] every ($ == 1),
        [1] every ($ == 1)
     ],
     "err" : [
        [1,2,3] every ((log('should stop at 2 ==', $) mod 2) == 1),
        [1,1,0] every ($ == 1),
        [0,1,1,0] every (log('should stop at 0 ==', $) == 1),
        [1,2,3] every ($ == 1),
        arr0 every true,
     ]
   ]
 }

Output

{
   "results": [
     {
       "ok": [ true, true ]
     },
     {
       "err": [ false, false, false, false, false ]
     }
   ]
 }

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