![Kotlin on Twitter: "Use the 'list.indices' property instead of building an explicit range using '0..list.length-1' or '0 until list.length'. Iterating over all such ranges is optimized, so no additional IntRange objects for Kotlin on Twitter: "Use the 'list.indices' property instead of building an explicit range using '0..list.length-1' or '0 until list.length'. Iterating over all such ranges is optimized, so no additional IntRange objects for](https://pbs.twimg.com/media/ERxGOKGVUAARTuR.png)
Kotlin on Twitter: "Use the 'list.indices' property instead of building an explicit range using '0..list.length-1' or '0 until list.length'. Iterating over all such ranges is optimized, so no additional IntRange objects for
![Kotlin Lists are Read-only and not Immutable except when there is only 1 element | by sy is typing | Don't Code Me On That | Medium Kotlin Lists are Read-only and not Immutable except when there is only 1 element | by sy is typing | Don't Code Me On That | Medium](https://miro.medium.com/max/1200/1*zxiRn8VgAKPKksnwMiADdA.png)
Kotlin Lists are Read-only and not Immutable except when there is only 1 element | by sy is typing | Don't Code Me On That | Medium
![Kotlin on Twitter: "New in Kotlin 1.3: The ifEmpty function can be used in a chained call to specify a fallback value for an empty collection, array, or string. The ifBlank function Kotlin on Twitter: "New in Kotlin 1.3: The ifEmpty function can be used in a chained call to specify a fallback value for an empty collection, array, or string. The ifBlank function](https://pbs.twimg.com/media/DrBQGo8XQAAAQ77.jpg:large)
Kotlin on Twitter: "New in Kotlin 1.3: The ifEmpty function can be used in a chained call to specify a fallback value for an empty collection, array, or string. The ifBlank function
![Kotlin on Twitter: "When working with multiple lists, evaluate whether set operations like union, intersect, or subtract can help solve your task quickly, rather than relying on filters. They are available as Kotlin on Twitter: "When working with multiple lists, evaluate whether set operations like union, intersect, or subtract can help solve your task quickly, rather than relying on filters. They are available as](https://pbs.twimg.com/media/EatShd-XgAUxIMI.jpg:large)