%dw 2.0
import * from dw::core::Arrays
output application/json
var users = ["Mariano", "Leandro", "Julian"]
---
users indexWhere (item) -> item startsWith "Jul"
indexWhere
DataWeave 2.2 is compatible and bundled with Mule 4.2. This version of Mule reached its End of Life on May 2, 2023, when Extended Support ended. Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted. MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements. |
indexWhere(Array<T>, (item: T) -> Boolean): Number
Returns the index of the first occurrence of an element that matches a condition within the array.
Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.
Parameters
Name | Description |
---|---|
|
The array of elements. |
|
The condition (or expression) used to match an element in the array. |
Example
This example returns the index of the value from the input array that
matches the condition in the lambda expression,
(item) → item startsWith "Jul"
.