The Kotlin Primer

Things to take into consideration when using types to make the states and shapes of entities explicit in your code.

A discussion on performance of Sequence vs. Iterable, when to use which, and the differences between Sequence and Java Streams.

An introduction to the sequence method, an explanation of yield vs. return, a look into how to implement functions which can pause using…

How to create a Sequence, how they work under the hood & the difference between intermediate and terminal operations, and how laziness and…

A practical example demonstrating how collections based on Iterable fall short, a novel explanation of why this happens using traversal…

An introduction to the most important functions for grouping: groupBy, partition, groupingBy, fold, reduce, aggregate and their variants.