Programming tutorials
Learn how to use Kotlin Contracts to help the compiler understand your validation logic, enabling smarter smart-casts and cleaner code in your projects.
Clean up your Kotlin code by replacing bulky if-statements with built-in precondition functions like require, check, and error for better defensive programming.
Learn how to use Kotlin value classes (inline classes) to create type-safe wrappers for primitives without the memory allocation cost of standard objects.
Master Kotlin property delegation to reduce boilerplate code. Learn to create custom delegates for cleaner, more maintainable Android and backend logic.
