When we are working with loops, we sometimes need to check first if the variables are iterable. Otherwise, we get the warning message “Warning: Invalid argument supplier for foreach()” in PHP. We get this warning when we use variables are
The Iterator Design Pattern in Simple Words
The Iterator design pattern is a behavioral design pattern that simplifies access to an object’s data collections. Moreover, it aims to provide a simple mechanism to make the data available. As a result, the client codes do not need to
Java 8 – Convert Iterator to Stream Using StreamSupport
Although not a common scenario, some libraries return Iterators instead of Stream or Collection objects. Why? Because they can. If the Java libraries you are using have methods that return Iterator objects, this will show how to convert Iterator to
Rust – How to Create While and For Loops
This post shows how to create and use loops in Rust. There are three ways to create loops in Rust – using the loop, while, and for keywords. The Endless Rust Loop Using the loop Keyword To create an endless loop
How foreach Interacts with Iterator interface
How foreach Interacts with Iterator interface