Let’s say we are writing some code to retrieve data from a database. If the data we are looking for is there, we can obviously return it. If there is no data that matches our search, we need to signal that we did not find it. In many languages, we use a nil, null, or… Read More »
In the previous post, I covered a quick overview of error handling approaches in different languages. Then, I introduced Rust’s error handling using the Result<T, E> enum. This time we’ll look at how Rust’s approach improves on other techniques. Compared to Error Returns Returning a Result<T, E> from a function is very much like the… Read More »