The other day I wrote an article about the dereference unary operator (*) and I needed a way to explain the unary operator by first explaining about pointers in Rust, which are the memory address location of, for example, a variable. However, I didn’t know how to print the pointer of a variable, without displaying … Read more
Have you come across the following error error: missing type for const item in Rust? Chances are, you defined a constant value like this: At first, this doesn’t seem to be an error as Rust is capable of implicitly determine the data type of other non-constant scoped variables (let ) like the one you see … Read more
Have you recently seen the asterisk (*) symbol in Rust while reading someone else’s code and you are not sure what it means? No worries, this article will explain the meaning of * and show you how it can become handy during development. The asterisk (*) symbol is Rust’s dereference unary operator. The dereference operator … Read more
Have you ever cloned a Rust project on your local machine, installed all its dependencies, and attempted to compile it but you came across the error error: toolchain ‘nightly-x86_64-pc-windows-msvc’ is not installed. No worries, here is how you can fix this error. To fix the error error: toolchain ‘nightly-x86_64-pc-windows-msvc’ is not installed , make sure … Read more
As you learn more about Rust programming language, you find out functionalities that seem to work the same, when in reality they differ in subtle ways. This is the case for the Copy and Clone traits. This article will explain each trait and show you what makes each different from the otehr. In Rust, the … Read more
As you learn Rust, you find out more and more functions that sound like they behave in a similar way, when in reality they differ in subtle ways. This is the case for the functions then() , and_then() , and or_else(). No worries, this article will cover each of these methods as well as their … Read more
Result<T,E> is a common data type that allows propagating Rust errors without necessarily crashing the Rust program unless the program panics. The Result<T, E> is made out of T or generic data type when the result is Ok(T) or Err(E) whenever an error occurs. One common question new Rust developers ask is: How do you … Read more
APIs are a key component of modern applications no matter the programming language they are written. Learning how to build a Rust API can be seen as a challenging task, especially on a programming language that is considered hard and with a steep learning curve. Hopefully, you will learn how to build a Rust API … Read more
It is common to learn how to detect user input (stdin) when learning a new programming language, and Rust is not the exception. In this article, you will learn how to read the user input from a terminal. Here are the steps to read user input (stdin) in Rust: Import the std::io crate Generate a … Read more
Chances are you recently came across the definition of the ToOwned trait to realize it is a generalization of the Clone trait? If so, what is the difference between the two traits? more specifically, what is the difference between .clone() and .to_owned() if they work the same? A generalization of Clone to borrowed data. https://doc.rust-lang.org/std/borrow/trait.ToOwned.html#tymethod.to_owned … Read more