``` myList myList indexOf itemToReplace = newItem oops accid kotlinlang #language-proposals

``` myList[myList.indexOf(itemToReplace)] = newIte...

ilya.gorbunov

01/16/2018, 3:29 PM

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myList[myList.indexOf(itemToReplace)] = newItem // oops, accidentally modified last item instead of failing on missing itemToReplace

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