Dave Leeds on Kotlin

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TypeAlias Show #7:
Notebooks and More!

Kotlin Notebooks, iOS Stable in Compose 1.8, and more!

TypeAlias Show #7:<br />Notebooks and More!

Double Dispatch: Prelude to the Visitor Pattern

Let's see what double dispatch is and how we can achieve it in Kotlin.

TypeAlias Show #6:
Kotlin 2.1.20

Let's look at new Atomics, UUID updates, and more!

Applying the
Observer Pattern

Is the Observer Pattern relevant in Kotlin? Let's see what library features can be used instead.

Can Junie write Kotlin from UML?

Let's see if it can implement functions and properties based on context, notes, and other clues!

Junie - JetBrains'
New AI Coding Agent

JetBrains' new AI coding agent is in EAP. Let's see if we can use it to build a Compose app!

Junie - JetBrains'<br />New AI Coding Agent

Multi-Cursors in 5 Minutes (Livestream Clip)

Use multi-cursor edits to speed up your development in IntelliJ and Android Studio.

TypeAlias Show #5:
Arrow for Everyone

Alejandro Serrano Mena joins me to show off some of Arrow's exciting features.

TypeAlias Show #5:<br />Arrow for Everyone

What are all those Kotlin function types for?

Kotlin's got a surprising number of function types - what are they used for?

Guards and Pattern Guards (Livestream Clip)

Let's see what guards and pattern guards are in Kotlin 2.1.

TypeAlias Show #4:
Kotlin 2.1

Let's check out pattern guards, direct Swift export, and more!

Immutable and Persistent Lists (Livestream Clip)

Let's check out the kotlinx.collections.immutable library, and why you might want to use it.

Anonymous Functions Aren't Lambdas

In Kotlin, anonymous functions have a distinct syntax from lambdas. Let's check it out!

Fun with Function Types

Let's see how we can call regular functions and property setters as if they were extension functions.

Subtyping Composables (Livestream Clip)

One idea about how you could create a slot API with Compose.

TypeAlias Show #3:
Immutable Lists

Compose Multiplatform 1.7, Immutable Collections, subtyping Composables

Builder Pattern
in Kotlin

Do we need the Builder Pattern in Kotlin? Let's find out.

Factory Patterns in Kotlin

Let's look at the Factory Method and Abstract Factory patterns to see how we can use them in Kotlin.

TypeAlias Show #2:
Multi-Cursor Magic

Kotlin Roadmap updates, StackOverflow survey results, and accelerated development in JetBrains' IDEs.

TypeAlias Show #2:<br/>Multi-Cursor Magic

State Pattern in Kotlin

The design pattern series continues. Let's see how we can modernize the State Pattern.

Decorator Pattern in Kotlin

In this video, we'll modernize the Decorator Pattern using some of Kotlin's language features.

Strategy Pattern in Kotlin

Let's see how Kotlin can modernize the Strategy Pattern from the original Gang of Four book.

Coroutines: Concurrency in Kotlin

A live presentation covering the main concepts from Chapter 20, in about 30 minutes.

TypeAlias Show #1: kotlinx.rpc

It's the very first episode of the TypeAlias Show Livestream!

Composing Like You're Inheriting

Composition vs. Inheritance... or can we get the best of both worlds?

7 Overlooked Stdlib Features

Let's look at seven features in the standard library that you might have missed.

Reified Type Parameters

What is type erasure, and how does the reified keyword help?

Funciones

Aprende todo sobre las funciones en Kotlin de manera divertida y fácil, con muchos ejemplos e ilustraciones. ¡Cuerpos de expresión, cuerpos de bloque, argumentos nombrados, valores predeterminados y mucho más!

The Essence of Coroutines

What makes a coroutine a coroutine?

Looking Forward to Kotlin 2.0

Kotlin 2.0 is just around the corner!

Variables, Expresiones y Tipos

¿Quieres ser desarrollador de Kotlin? ¡Estás en el lugar correcto! Tu aventura comienza aquí en el capítulo 1, donde cubriremos lo básico de variables, expresiones y tipos.

Three Simple Rules for Subtypes

Inheritance and variance are based on three simple rules.

Inline Functions

Let's look at inline functions, and the crossinline and noinline modifiers.

Every Kind of Class

Inner classes, value classes, sealed classes, and many others... let's look at them all!

Type Projections

Type projections give us generic subtypes when declaration-site variance isn't an option!

Variance... without Generics!

Unlock the mental model of variance. No generics required!

Introduction to HexFormat

Let's check out HexFormat and its related functions!

Intersection Types in Kotlin

Intersection types are not denotable, but we can still use them!

try-catch vs runCatching

Let's talk about try-catch, runCatching(), and those poll results!

Leanpub Frontmatter Podcast: Dave Leeds

Len Epp and I talk about Kotlin, learning how to code, publishing on Leanpub, and lots more!

A Tour Through Konsist with Igor Wojda

I team up with special guest Igor Wojda to demonstrate how the Konsist static code analysis tool can be used to ensure consistency in a Kotlin codebase!

How to Use Kotlin's Timing API

Kotlin's Timing API is stable as of Kotlin 1.9, and it offers some great ways to both measure and specify time. In this video, we'll take a tour through the main features of this API so that you can start using durations and time marks like a pro!

Wall Clock vs. Monotonic Clock

As a prelude to exploring the newly-stable Timing API in Kotlin 1.9, let's check out the difference between a wall clock and a monotonic clock!

Introduction to Collection Builders

Use Collection Builders to dynamically build out a collection's contents, without leaving it open to modifications.

Smart Casts with Kotlin Contracts

Use the experimental Contracts feature to create a Smart Cast from your own function.

Easy SharedPreferences with Delegated Properties

Learn how Kotlin's delegated properties work by turning Android's SharedPreferences into a delegate.

5 Fun Ways to Use Extension Functions

Let's put extension functions together with operator function conventions to do some crazy things!

5-Year Celebration: Peek Behind the Scenes!

Get a peek behind the scenes, including my art setup, my writing tooling, and even my cute dog!

Take control of coroutines!

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TypeAlias Show #7:Notebooks and More!