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CURATED SOURCE EXAMPLE
Kotlin notes · model
A focused source example using data classes, filtering, and safe defaults.
9:41 ▰
HELLO, DEVELOPER
Less code. More clarity.
funideas → reality
⌂▧◉
A closer look at the code.
Choose a file to explore. Copy it into your own project when you’re ready.
data class Note(val id: Long, val title: String, val done: Boolean = false)
fun pending(notes: List<Note>): List<Note> = notes.filterNot { it.done }
Setup & requirements
- Use a Kotlin JVM project or an Android project configured for Kotlin.
- Keep the Gradle files generated by your installed Android Studio version. These snippets do not prescribe an AGP version.
- Add Note.kt to the source directory. Call pending with a list of notes.
- Build and run locally. Review lifecycle behavior and test your changes.
What to explore
- Data classes and collection filtering
- Immutable data and default values
- Small, readable files you can adapt