# Kodebits Day 83: Smart Cast \[FREE\]

DevFeed: [Kodebits Day 83: Smart Cast \[FREE\]](<https://devfeed.tech/articles/kodebits-day-83-smart-cast-free-11500.md>)

Original publisher: [Read original article](<https://www.kodeco.com/52032908-kodebits-day-83-smart-cast>)

Published: 2026-08-28T18:00:52Z

Content type: tutorial

Language: en

Sources: [Kodeco | High quality programming tutorials: iOS, Android, Swift, Kotlin, Unity, and more](<https://devfeed.tech/sources/kodeco-high-quality-programming-tutorials-ios-android-swift-kotlin-unity-and-more.md>)

Topics: [Kotlin](<https://devfeed.tech/topics/kotlin.md>)

Tags: [article](<https://devfeed.tech/tags/article.md>), [free](<https://devfeed.tech/tags/free.md>), [kotlin](<https://devfeed.tech/tags/kotlin.md>), [learn](<https://devfeed.tech/tags/learn.md>)

## AI overview

A short Kotlin challenge about smart casts and type checks. It explains that after an `is` check, Kotlin treats the value as the checked type within the `if` block, allowing direct access to String properties such as `.length`.

## Source excerpt

Practice type checks with a short kotlin challenge.